Colorado · drinking water · SDWIS through latest publish

Ranch At Coulter Creek Hoa Water Quality — Carbondale, Colorado

PWSID CO0123666 · GroundwaterPrivate

27 people served. 2 health-based SDWIS violations recorded in the past 5 years. 136 remain unresolved. Last cited 1 year ago.

ALL SDWIS VIOLATIONS · 20252026 (annual count)
Bar chart of annual values from 2025 to 2026, in violations. Most recent year (2026): 0 violations.283 violations'25'260 violations
Anomaly engine

Active signals

UNRESOLVED VIOLATION · SDWIS VIOLATION

Uranium

Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (uranium).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Toxaphene

Unresolved Nitrate/Nitrite violation cited in 2025 (toxaphene).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 2031

Unresolved Nitrate/Nitrite violation cited in 2025 (contaminant 2031).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 2032

Unresolved Nitrate/Nitrite violation cited in 2025 (contaminant 2032).

EPA SDWIS record

Most-cited contaminants

What This Utility Gets Cited For

  • Uranium5 citations
  • Contaminant 40105 citations
  • Combined Radium 226/2285 citations
  • Toxaphene4 citations
  • Contaminant 20314 citations
  • Contaminant 20324 citations
Violation history

What's On The SDWIS Record

Health-based violations exceed an MCL or treatment-technique standard. Monitoring violations are reporting failures with no measured exceedance — they tell you the system isn't fully transparent, not that the water is unsafe today.

MONITORING · CONTAMINANT 8000

2025 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure; returned to compliance

CONTAMINANT CODE 8000

MONITORING · URANIUMUNRESOLVED

2025 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4006

MONITORING · URANIUM

2025 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4006

MONITORING · TOXAPHENEUNRESOLVED

2025 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2020

MONITORING · TOXAPHENE

2025 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · CONTAMINANT 2031UNRESOLVED

2025 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031

2025 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2032UNRESOLVED

2025 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2032

2025 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2033UNRESOLVED

2025 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2033

2025 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2035UNRESOLVED

2025 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035

2025 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2036UNRESOLVED

2025 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036

2025 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2037UNRESOLVED

2025 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037

2025 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2039UNRESOLVED

2025 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039

2025 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2040UNRESOLVED

2025 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040

2025 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2041UNRESOLVED

2025 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041

2025 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 4010UNRESOLVED

2025 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 4010

2025 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 2042UNRESOLVED

2025 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042

2025 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2043UNRESOLVED

2025 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2043

2025 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2044UNRESOLVED

2025 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2044

2025 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2046UNRESOLVED

2025 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046

2025 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2047UNRESOLVED

2025 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2047

MONITORING · CONTAMINANT 2047

2025 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2047

MONITORING · 2,4-DUNRESOLVED

2025 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2050

MONITORING · 2,4-D

2025 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · CONTAMINANT 2051UNRESOLVED

2025 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051

2025 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

MONITORING · 2,4,5-TP (SILVEX)UNRESOLVED

2025 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2065

MONITORING · 2,4,5-TP (SILVEX)

2025 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

MONITORING · CONTAMINANT 2067UNRESOLVED

2025 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067

2025 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · ALACHLORUNRESOLVED

2025 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2105

MONITORING · ALACHLOR

2025 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ARSENICUNRESOLVED

2025 · Arsenic · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1005

MONITORING · ARSENIC

2025 · Arsenic · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1005

MONITORING · ATRAZINEUNRESOLVED

2025 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2110

MONITORING · ATRAZINE

2025 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · CONTAMINANT 2274UNRESOLVED

2025 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274

2025 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CARBOFURANUNRESOLVED

2025 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2306

MONITORING · CARBOFURAN

2025 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CONTAMINANT 2326UNRESOLVED

2025 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326

2025 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · TRICHLOROETHYLENE (TCE)UNRESOLVED

2025 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2383

MONITORING · TRICHLOROETHYLENE (TCE)

2025 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2383

MONITORING · CONTAMINANT 2931UNRESOLVED

2025 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931

2025 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2946UNRESOLVED

2025 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946

2025 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2959UNRESOLVED

2025 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959

2025 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

MONITORING · XYLENES (TOTAL)UNRESOLVED

2025 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2378

MONITORING · XYLENES (TOTAL)

2025 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2378

MONITORING · BENZENEUNRESOLVED

2025 · Benzene · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2380

MONITORING · BENZENE

2025 · Benzene · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2380

MONITORING · BARIUMUNRESOLVED

2025 · Barium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1010

MONITORING · BARIUM

2025 · Barium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1010

MONITORING · CONTAMINANT 2955UNRESOLVED

2025 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2955

2025 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2964UNRESOLVED

2025 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2964

2025 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2968UNRESOLVED

2025 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2968

2025 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2969UNRESOLVED

2025 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2969

2025 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2976UNRESOLVED

2025 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2976

2025 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2977UNRESOLVED

2025 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2977

2025 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2979UNRESOLVED

2025 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2979

MONITORING · CONTAMINANT 2979

2025 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2979

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)UNRESOLVED

2025 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2980

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)

2025 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2980

MONITORING · CONTAMINANT 2981UNRESOLVED

2025 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2981

2025 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2982UNRESOLVED

2025 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2982

MONITORING · CONTAMINANT 2982

2025 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2982

MONITORING · CADMIUMUNRESOLVED

2025 · Cadmium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1015

MONITORING · CADMIUM

2025 · Cadmium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1015

MONITORING · CONTAMINANT 2983UNRESOLVED

2025 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2983

2025 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2984UNRESOLVED

2025 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2984

2025 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2985UNRESOLVED

2025 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 2985

2025 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 2987UNRESOLVED

2025 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2987

MONITORING · CONTAMINANT 2987

2025 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2987

MONITORING · CONTAMINANT 2989UNRESOLVED

2025 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2989

2025 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2990UNRESOLVED

2025 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2990

2025 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2991UNRESOLVED

2025 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2991

MONITORING · CONTAMINANT 2991

2025 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2991

MONITORING · CONTAMINANT 2992UNRESOLVED

2025 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2992

2025 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2996UNRESOLVED

2025 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2996

MONITORING · CONTAMINANT 2996

2025 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2996

MONITORING · COMBINED RADIUM 226/228

2025 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4000

MONITORING · CHROMIUMUNRESOLVED

2025 · Chromium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1020

MONITORING · CHROMIUM

2025 · Chromium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1020

MONITORING · CONTAMINANT 4010

2025 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4010

MONITORING · URANIUM

2025 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4006

MONITORING · SELENIUMUNRESOLVED

2025 · Selenium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1035

MONITORING · SELENIUM

2025 · Selenium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1035

MONITORING · CONTAMINANT 1036UNRESOLVED

2025 · Contaminant 1036 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1036

MONITORING · CONTAMINANT 1036

2025 · Contaminant 1036 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1036

MONITORING · CONTAMINANT 1052UNRESOLVED

2025 · Contaminant 1052 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 1052

MONITORING · CONTAMINANT 1052

2025 · Contaminant 1052 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1052

MONITORING · CONTAMINANT 1074UNRESOLVED

2025 · Contaminant 1074 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1074

MONITORING · CONTAMINANT 1074

2025 · Contaminant 1074 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1074

MONITORING · CONTAMINANT 1075UNRESOLVED

2025 · Contaminant 1075 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1075

MONITORING · CONTAMINANT 1075

2025 · Contaminant 1075 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1075

MONITORING · CONTAMINANT 1085UNRESOLVED

2025 · Contaminant 1085 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1085

MONITORING · CONTAMINANT 1085

2025 · Contaminant 1085 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1085

MONITORING · ASBESTOSUNRESOLVED

2025 · Asbestos · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1045

MONITORING · ASBESTOS

2025 · Asbestos · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1045

MONITORING · ENDRINUNRESOLVED

2025 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2005

MONITORING · ENDRIN

2025 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · LINDANEUNRESOLVED

2025 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2010

MONITORING · LINDANE

2025 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · METHOXYCHLORUNRESOLVED

2025 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLOR

2025 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

MONITORING · TOXAPHENEUNRESOLVED

2025 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2020

MONITORING · TOXAPHENE

2025 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · CONTAMINANT 2031UNRESOLVED

2025 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031

2025 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2032UNRESOLVED

2025 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2032

2025 · Contaminant 2032 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2032

MONITORING · CONTAMINANT 2033UNRESOLVED

2025 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2033

2025 · Contaminant 2033 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2033

MONITORING · CONTAMINANT 2035UNRESOLVED

2025 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035

2025 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2036UNRESOLVED

2025 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036

2025 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2037UNRESOLVED

2025 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037

2025 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2039UNRESOLVED

2025 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039

2025 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2040UNRESOLVED

2025 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040

2025 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2041UNRESOLVED

2025 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041

2025 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2042UNRESOLVED

2025 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042

2025 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2043UNRESOLVED

2025 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2043

2025 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2044UNRESOLVED

2025 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2044

2025 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2046UNRESOLVED

2025 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046

2025 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

HEALTH-BASED · CONTAMINANT 0400

2025 · Contaminant 0400 · Disinfectants and Disinfection Byproducts (Stage 2)

Treatment technique violation; returned to compliance

CONTAMINANT CODE 0400

HEALTH-BASED · CONTAMINANT 0400

2025 · Contaminant 0400 · Disinfectants and Disinfection Byproducts (Stage 2)

Treatment technique violation; returned to compliance

CONTAMINANT CODE 0400

MONITORING · CONTAMINANT 2047UNRESOLVED

2025 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2047

MONITORING · CONTAMINANT 2047

2025 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2047

MONITORING · 2,4-DUNRESOLVED

2025 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2050

MONITORING · 2,4-D

2025 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · CONTAMINANT 2051UNRESOLVED

2025 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051

2025 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

MONITORING · 2,4,5-TP (SILVEX)UNRESOLVED

2025 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2065

MONITORING · 2,4,5-TP (SILVEX)

2025 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

MONITORING · CONTAMINANT 2067UNRESOLVED

2025 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067

2025 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · ALACHLORUNRESOLVED

2025 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2105

MONITORING · ALACHLOR

2025 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ATRAZINEUNRESOLVED

2025 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2110

MONITORING · ATRAZINE

2025 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · CONTAMINANT 2274UNRESOLVED

2025 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274

2025 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CARBOFURANUNRESOLVED

2025 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2306

MONITORING · CARBOFURAN

2025 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CONTAMINANT 2326UNRESOLVED

2025 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326

2025 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 8000

2025 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure; returned to compliance

CONTAMINANT CODE 8000

MONITORING · TRICHLOROETHYLENE (TCE)UNRESOLVED

2025 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2383

MONITORING · TRICHLOROETHYLENE (TCE)

2025 · Trichloroethylene (TCE) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2383

MONITORING · CONTAMINANT 2931UNRESOLVED

2025 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931

2025 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2946UNRESOLVED

2025 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946

2025 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2959UNRESOLVED

2025 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959

2025 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

MONITORING · XYLENES (TOTAL)UNRESOLVED

2025 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2378

MONITORING · XYLENES (TOTAL)

2025 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2378

MONITORING · BENZENEUNRESOLVED

2025 · Benzene · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2380

MONITORING · BENZENE

2025 · Benzene · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2380

MONITORING · CONTAMINANT 2955UNRESOLVED

2025 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2955

2025 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2964UNRESOLVED

2025 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2964

2025 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2968UNRESOLVED

2025 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2968

2025 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2969UNRESOLVED

2025 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2969

2025 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2976UNRESOLVED

2025 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2976

2025 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2977UNRESOLVED

2025 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2977

2025 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2979UNRESOLVED

2025 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2979

MONITORING · CONTAMINANT 2979

2025 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2979

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)UNRESOLVED

2025 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2980

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)

2025 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2980

MONITORING · CONTAMINANT 2981UNRESOLVED

2025 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2981

2025 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2982UNRESOLVED

2025 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2982

MONITORING · CONTAMINANT 2982

2025 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2982

MONITORING · CONTAMINANT 2983UNRESOLVED

2025 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2983

2025 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2984UNRESOLVED

2025 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2984

2025 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2985UNRESOLVED

2025 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 2985

2025 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 2987UNRESOLVED

2025 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2987

MONITORING · CONTAMINANT 2987

2025 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2987

MONITORING · CHLORINE

2025 · Chlorine · Disinfectants and Disinfection Byproducts (Stage 2)

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 0999

MONITORING · CONTAMINANT 2989UNRESOLVED

2025 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2989

2025 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2990UNRESOLVED

2025 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2990

2025 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2991UNRESOLVED

2025 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2991

MONITORING · CONTAMINANT 2991

2025 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2991

MONITORING · CONTAMINANT 2992UNRESOLVED

2025 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2992

2025 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2996UNRESOLVED

2025 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2996

MONITORING · CONTAMINANT 2996

2025 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2996

MONITORING · BERYLLIUMUNRESOLVED

2025 · Beryllium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1040

MONITORING · BERYLLIUM

2025 · Beryllium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1040

OTHER · CONTAMINANT 7500

2025 · Contaminant 7500 · Volatile Organic Chemical Rule

OTHER; returned to compliance

CONTAMINANT CODE 7500

OTHER · CONTAMINANT 8000

2025 · Contaminant 8000 · Revised Total Coliform Rule

OTHER; returned to compliance

CONTAMINANT CODE 8000

MONITORING · MERCURY (INORGANIC)UNRESOLVED

2025 · Mercury (inorganic) · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1025

MONITORING · MERCURY (INORGANIC)

2025 · Mercury (inorganic) · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1025

MONITORING · CONTAMINANT 0600

2025 · Contaminant 0600 · Total Trihalomethanes Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 0600

MONITORING · MERCURY (INORGANIC)UNRESOLVED

2025 · Mercury (inorganic) · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1025

MONITORING · MERCURY (INORGANIC)

2025 · Mercury (inorganic) · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1025

MONITORING · COMBINED RADIUM 226/228UNRESOLVED

2025 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4000

MONITORING · COMBINED RADIUM 226/228

2025 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4000

MONITORING · URANIUMUNRESOLVED

2025 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4006

MONITORING · URANIUM

2025 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4006

MONITORING · CONTAMINANT 4010UNRESOLVED

2025 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 4010

2025 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4010

MONITORING · ARSENICUNRESOLVED

2025 · Arsenic · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1005

MONITORING · ARSENIC

2025 · Arsenic · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1005

MONITORING · BARIUMUNRESOLVED

2025 · Barium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1010

MONITORING · BARIUM

2025 · Barium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1010

MONITORING · CADMIUMUNRESOLVED

2025 · Cadmium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1015

MONITORING · CADMIUM

2025 · Cadmium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1015

MONITORING · CHROMIUMUNRESOLVED

2025 · Chromium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1020

MONITORING · CHROMIUM

2025 · Chromium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1020

MONITORING · SELENIUMUNRESOLVED

2025 · Selenium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1035

MONITORING · SELENIUM

2025 · Selenium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1035

MONITORING · COMBINED RADIUM 226/228UNRESOLVED

2025 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4000

MONITORING · COMBINED RADIUM 226/228

2025 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4000

MONITORING · CONTAMINANT 1036UNRESOLVED

2025 · Contaminant 1036 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1036

MONITORING · CONTAMINANT 1036

2025 · Contaminant 1036 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1036

MONITORING · CONTAMINANT 1052UNRESOLVED

2025 · Contaminant 1052 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 1052

MONITORING · CONTAMINANT 1052

2025 · Contaminant 1052 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1052

MONITORING · CONTAMINANT 1074UNRESOLVED

2025 · Contaminant 1074 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1074

MONITORING · CONTAMINANT 1074

2025 · Contaminant 1074 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1074

MONITORING · CONTAMINANT 1075UNRESOLVED

2025 · Contaminant 1075 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1075

MONITORING · CONTAMINANT 1075

2025 · Contaminant 1075 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1075

MONITORING · CONTAMINANT 1085UNRESOLVED

2025 · Contaminant 1085 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1085

MONITORING · CONTAMINANT 1085

2025 · Contaminant 1085 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1085

MONITORING · ASBESTOSUNRESOLVED

2025 · Asbestos · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1045

MONITORING · ASBESTOS

2025 · Asbestos · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1045

MONITORING · BERYLLIUMUNRESOLVED

2025 · Beryllium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 1040

MONITORING · BERYLLIUM

2025 · Beryllium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 1040

MONITORING · ENDRINUNRESOLVED

2025 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2005

MONITORING · ENDRIN

2025 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · LINDANEUNRESOLVED

2025 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2010

MONITORING · LINDANE

2025 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · METHOXYCHLORUNRESOLVED

2025 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLOR

2025 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

Equity context · ACS 2018-2022 · USEPA-clone EJ disparity

Who Drinks This Water

Carbondale, Colorado (Census place; block-group disparity scores aggregated by centroid containment): a service population of 6,497. Local disparity score for pm2.5 (fine particulate) sits well below the reference (2). Why we surface this →

POPULATION SHARE
13.2%

Low-income

POPULATION SHARE
22.7%

People of color

POPULATION SHARE
3.7%

Under age 5

POPULATION SHARE
18.7%

Over age 64

NATIONAL PERCENTILE · vs all US block groups (population-weighted; ranked against the national EJScreen indicator distribution)

  • PM2.5 (fine particulate)Health riskFine inhalable particles 2.5 micrometers or smaller. They travel deep into the lungs and into the bloodstream — linked to asthma, heart disease, stroke, and premature death.2below the national median
  • OzoneHealth riskGround-level ozone (smog) inflames the airways. Even short exposures trigger asthma attacks and worsen chronic lung and heart disease.69above the national median
  • Nitrogen dioxide (NO₂)Health riskA tailpipe and combustion gas. Concentrates near busy roads and industrial sites; raises risk of airway inflammation, asthma, and lower respiratory infections in children.79above the national median
  • Diesel particulateHealth riskSoot from diesel engines (trucks, trains, ports, construction). EPA classifies it as a likely human carcinogen and a major driver of childhood asthma near freight corridors.6below the national median
  • Toxic releases (RSEI)Health riskEPA's Risk-Screening Environmental Indicators score — weights TRI chemical releases by toxicity, where they go, and how many people are nearby. Higher means greater modeled cancer and chronic-health risk.1below the national median
  • Traffic proximityHealth riskPopulation-weighted distance to high-volume roads. Living close to heavy traffic raises exposure to PM2.5, NO₂, and diesel exhaust — and the cardiovascular and asthma risks that follow.18below the national median
  • Lead-paint risk (pre-1960 housing)Health riskShare of housing built before 1960, when lead-based paint was common. Dust from deteriorating paint is the leading cause of childhood lead poisoning, which permanently impairs cognitive development.59near the national median
  • Superfund site proximityHealth riskPopulation-weighted distance to NPL Superfund sites — the most contaminated waste sites in the country. Nearby groundwater, soil, and air can carry industrial solvents, metals, and other long-lived contaminants.56near the national median
  • RMP-facility proximityHealth riskDistance to facilities holding chemicals at quantities large enough to require an EPA Risk Management Plan (refineries, fertilizer plants, etc.). These pose acute exposure risk during accidental releases.28below the national median
  • Hazardous-waste site proximityHealth riskDistance to RCRA hazardous-waste handlers (treatment, storage, disposal facilities). Indicates potential exposure to industrial chemicals in air, soil, and groundwater.14below the national median
  • Underground storage tanksHealth riskDensity of underground tanks (gasoline, heating oil, industrial fluids). Leaking tanks are a leading source of benzene and other volatile organic compounds in groundwater drinking-water supplies.78above the national median
  • NPDES wastewater proximityHealth riskDistance to permitted industrial wastewater dischargers. Closer proximity raises exposure to pollutants released into surface waters used for fishing, recreation, and downstream drinking-water intakes.31below the national median
  • Drinking-water non-complianceHealth riskEPA score for public water systems with health-based Safe Drinking Water Act violations. Higher means more residents on systems that recently exceeded safe limits for contaminants like lead, arsenic, or nitrate.76above the national median
EJ disparity scores · service-area block groups (100 = national reference; higher = greater disparate burden)
IndicatorDisparity scoreReading
PM2.5 (fine particulate)2well below the reference
Ozone84below the reference
Nitrogen dioxide (NO₂)73below the reference
Diesel particulate7well below the reference
Toxic releases (RSEI)0well below the reference
Traffic proximity19well below the reference
Lead-paint risk (pre-1960 housing)49well below the reference
Superfund site proximity0well below the reference
RMP-facility proximity0well below the reference
Hazardous-waste site proximity0well below the reference
Underground storage tanks68below the reference
NPDES wastewater proximity29well below the reference
Drinking-water non-compliance0well below the reference

Source: Census ACS 2018-2022 (5-year) + USEPA-clone EJ blockgroup stats (raw indicators + EJ disparity mirror).

Source. EPA Safe Drinking Water Information System · retrieved 2026-05-07. Reporting period 2025-01-012026-05-07.

What this is not. SDWIS records compliance against federal MCLs — not a direct readout of tap-water concentrations. Active health-based violations are not the same as a current crisis; we link to the EPA record so you can verify return-to-compliance status before forming a conclusion.