Rhode Island · drinking water · SDWIS through latest publish

Quonochontaug East Beach Water Associati Water Quality — Charlestown, Rhode Island

PWSID RI1647511 · GroundwaterPrivate

300 people served. No health-based SDWIS violations recorded in the past 5 years. 70 remain unresolved. Last cited 3 years ago.

ALL SDWIS VIOLATIONS · 20212026 (annual count)
Bar chart of annual values from 2021 to 2026, in violations. Most recent year (2026): 0 violations.105 violations'21'22'23'24'25'260 violations
Anomaly engine

Active signals

UNRESOLVED VIOLATION · SDWIS VIOLATION

Endrin

Unresolved Nitrate/Nitrite violation cited in 2023 (endrin).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Lindane

Unresolved Nitrate/Nitrite violation cited in 2023 (lindane).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Methoxychlor

Unresolved Nitrate/Nitrite violation cited in 2023 (methoxychlor).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Toxaphene

Unresolved Nitrate/Nitrite violation cited in 2023 (toxaphene).

EPA SDWIS record

Most-cited contaminants

What This Utility Gets Cited For

  • Endrin5 citations
  • Lindane5 citations
  • Methoxychlor5 citations
  • Toxaphene5 citations
  • Contaminant 20315 citations
  • Contaminant 20355 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 · ENDRIN

2023 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · ENDRINUNRESOLVED

2023 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2005

MONITORING · ENDRIN

2023 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · LINDANE

2023 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · LINDANEUNRESOLVED

2023 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2010

MONITORING · LINDANE

2023 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · METHOXYCHLOR

2023 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLORUNRESOLVED

2023 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLOR

2023 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

MONITORING · TOXAPHENE

2023 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · TOXAPHENEUNRESOLVED

2023 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2020

MONITORING · TOXAPHENE

2023 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · CONTAMINANT 2031

2023 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031UNRESOLVED

2023 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031

2023 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2035

2023 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035UNRESOLVED

2023 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035

2023 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2036

2023 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036UNRESOLVED

2023 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036

2023 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2037

2023 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037UNRESOLVED

2023 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037

2023 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2039

2023 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039UNRESOLVED

2023 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039

2023 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2040

2023 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040UNRESOLVED

2023 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040

2023 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2041

2023 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041UNRESOLVED

2023 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041

2023 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2042

2023 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042UNRESOLVED

2023 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042

2023 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2043

2023 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2043UNRESOLVED

2023 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2043

2023 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2044

2023 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2044UNRESOLVED

2023 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2044

2023 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2046

2023 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046UNRESOLVED

2023 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046

2023 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2047

2023 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2047

MONITORING · CONTAMINANT 2047UNRESOLVED

2023 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2047

MONITORING · CONTAMINANT 2047

2023 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2047

MONITORING · 2,4-D

2023 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · 2,4-DUNRESOLVED

2023 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2050

MONITORING · 2,4-D

2023 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · CONTAMINANT 2051

2023 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051UNRESOLVED

2023 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051

2023 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

MONITORING · 2,4,5-TP (SILVEX)

2023 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

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

2023 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2065

MONITORING · 2,4,5-TP (SILVEX)

2023 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

MONITORING · CONTAMINANT 2067

2023 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067UNRESOLVED

2023 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067

2023 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · ALACHLOR

2023 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ALACHLORUNRESOLVED

2023 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2105

MONITORING · ALACHLOR

2023 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ATRAZINE

2023 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · ATRAZINEUNRESOLVED

2023 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2110

MONITORING · ATRAZINE

2023 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · CONTAMINANT 2274

2023 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274UNRESOLVED

2023 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274

2023 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CARBOFURAN

2023 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CARBOFURANUNRESOLVED

2023 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2306

MONITORING · CARBOFURAN

2023 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CONTAMINANT 2326

2023 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326UNRESOLVED

2023 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326

2023 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · VINYL CHLORIDE

2023 · Vinyl chloride · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2388

MONITORING · VINYL CHLORIDEUNRESOLVED

2023 · Vinyl chloride · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2388

MONITORING · VINYL CHLORIDE

2023 · Vinyl chloride · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2388

MONITORING · CONTAMINANT 2390

2023 · Contaminant 2390 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2390

MONITORING · CONTAMINANT 2390UNRESOLVED

2023 · Contaminant 2390 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2390

MONITORING · CONTAMINANT 2390

2023 · Contaminant 2390 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2390

MONITORING · CONTAMINANT 2392

2023 · Contaminant 2392 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2392

MONITORING · CONTAMINANT 2392UNRESOLVED

2023 · Contaminant 2392 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2392

MONITORING · CONTAMINANT 2392

2023 · Contaminant 2392 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2392

MONITORING · CONTAMINANT 2394

2023 · Contaminant 2394 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2394

MONITORING · CONTAMINANT 2394UNRESOLVED

2023 · Contaminant 2394 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2394

MONITORING · CONTAMINANT 2394

2023 · Contaminant 2394 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2394

MONITORING · CONTAMINANT 2396

2023 · Contaminant 2396 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2396

MONITORING · CONTAMINANT 2396UNRESOLVED

2023 · Contaminant 2396 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2396

MONITORING · CONTAMINANT 2396

2023 · Contaminant 2396 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2396

MONITORING · CONTAMINANT 2398

2023 · Contaminant 2398 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2398

MONITORING · CONTAMINANT 2398UNRESOLVED

2023 · Contaminant 2398 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2398

MONITORING · CONTAMINANT 2398

2023 · Contaminant 2398 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2398

MONITORING · CONTAMINANT 2400

2023 · Contaminant 2400 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2400

MONITORING · CONTAMINANT 2400UNRESOLVED

2023 · Contaminant 2400 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2400

MONITORING · CONTAMINANT 2400

2023 · Contaminant 2400 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2400

MONITORING · CONTAMINANT 2931

2023 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931UNRESOLVED

2023 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931

2023 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2946

2023 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946UNRESOLVED

2023 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946

2023 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2959

2023 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959UNRESOLVED

2023 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959

2023 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

MONITORING · ENDRINUNRESOLVED

2022 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2005

MONITORING · ENDRIN

2022 · Endrin · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2005

MONITORING · LINDANEUNRESOLVED

2022 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2010

MONITORING · LINDANE

2022 · Lindane · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2010

MONITORING · METHOXYCHLORUNRESOLVED

2022 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2015

MONITORING · METHOXYCHLOR

2022 · Methoxychlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2015

MONITORING · TOXAPHENEUNRESOLVED

2022 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2020

MONITORING · TOXAPHENE

2022 · Toxaphene · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2020

MONITORING · CONTAMINANT 2031UNRESOLVED

2022 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2031

2022 · Contaminant 2031 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2031

MONITORING · CONTAMINANT 2035UNRESOLVED

2022 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2035

2022 · Contaminant 2035 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2035

MONITORING · CONTAMINANT 2036UNRESOLVED

2022 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2036

2022 · Contaminant 2036 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2036

MONITORING · CONTAMINANT 2037UNRESOLVED

2022 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2037

2022 · Contaminant 2037 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2037

MONITORING · CONTAMINANT 2039UNRESOLVED

2022 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2039

2022 · Contaminant 2039 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2039

MONITORING · CONTAMINANT 2040UNRESOLVED

2022 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2040

2022 · Contaminant 2040 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2040

MONITORING · CONTAMINANT 2041UNRESOLVED

2022 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2041

2022 · Contaminant 2041 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2041

MONITORING · CONTAMINANT 2042UNRESOLVED

2022 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2042

2022 · Contaminant 2042 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2042

MONITORING · CONTAMINANT 2043UNRESOLVED

2022 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2043

2022 · Contaminant 2043 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2043

MONITORING · CONTAMINANT 2044UNRESOLVED

2022 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2044

2022 · Contaminant 2044 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2044

MONITORING · CONTAMINANT 2046UNRESOLVED

2022 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2046

2022 · Contaminant 2046 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2046

MONITORING · CONTAMINANT 2047UNRESOLVED

2022 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2047

MONITORING · CONTAMINANT 2047

2022 · Contaminant 2047 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2047

MONITORING · 2,4-DUNRESOLVED

2022 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2050

MONITORING · 2,4-D

2022 · 2,4-D · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2050

MONITORING · CONTAMINANT 2051UNRESOLVED

2022 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2051

MONITORING · CONTAMINANT 2051

2022 · Contaminant 2051 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2051

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

2022 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2065

MONITORING · 2,4,5-TP (SILVEX)

2022 · 2,4,5-TP (Silvex) · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2065

MONITORING · CONTAMINANT 2067UNRESOLVED

2022 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2067

MONITORING · CONTAMINANT 2067

2022 · Contaminant 2067 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2067

MONITORING · ALACHLORUNRESOLVED

2022 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2105

MONITORING · ALACHLOR

2022 · Alachlor · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2105

MONITORING · ATRAZINEUNRESOLVED

2022 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2110

MONITORING · ATRAZINE

2022 · Atrazine · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2110

MONITORING · CONTAMINANT 2274UNRESOLVED

2022 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2274

MONITORING · CONTAMINANT 2274

2022 · Contaminant 2274 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2274

MONITORING · CARBOFURANUNRESOLVED

2022 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2306

MONITORING · CARBOFURAN

2022 · Carbofuran · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2306

MONITORING · CONTAMINANT 2326UNRESOLVED

2022 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2326

MONITORING · CONTAMINANT 2326

2022 · Contaminant 2326 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2326

MONITORING · VINYL CHLORIDEUNRESOLVED

2022 · Vinyl chloride · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2388

MONITORING · VINYL CHLORIDE

2022 · Vinyl chloride · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2388

MONITORING · CONTAMINANT 2390UNRESOLVED

2022 · Contaminant 2390 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2390

MONITORING · CONTAMINANT 2390

2022 · Contaminant 2390 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2390

MONITORING · CONTAMINANT 2392UNRESOLVED

2022 · Contaminant 2392 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2392

MONITORING · CONTAMINANT 2392

2022 · Contaminant 2392 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2392

MONITORING · CONTAMINANT 2394UNRESOLVED

2022 · Contaminant 2394 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2394

MONITORING · CONTAMINANT 2394

2022 · Contaminant 2394 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2394

MONITORING · CONTAMINANT 2396UNRESOLVED

2022 · Contaminant 2396 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2396

MONITORING · CONTAMINANT 2396

2022 · Contaminant 2396 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2396

MONITORING · CONTAMINANT 2398UNRESOLVED

2022 · Contaminant 2398 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2398

MONITORING · CONTAMINANT 2398

2022 · Contaminant 2398 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2398

MONITORING · CONTAMINANT 2400UNRESOLVED

2022 · Contaminant 2400 · Lead and Copper Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2400

MONITORING · CONTAMINANT 2400

2022 · Contaminant 2400 · Lead and Copper Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2400

MONITORING · CONTAMINANT 2931UNRESOLVED

2022 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2931

2022 · Contaminant 2931 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2931

MONITORING · CONTAMINANT 2946UNRESOLVED

2022 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2946

2022 · Contaminant 2946 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2946

MONITORING · CONTAMINANT 2959UNRESOLVED

2022 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 2959

2022 · Contaminant 2959 · Nitrate/Nitrite

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2959

MONITORING · CONTAMINANT 5000

2021 · Contaminant 5000 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 5000

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

Who Drinks This Water

Charlestown, Rhode Island (Census place; block-group disparity scores aggregated by centroid containment): a service population of 1,702. Local disparity score for pm2.5 (fine particulate) sits well below the reference (1). Why we surface this →

POPULATION SHARE
5.1%

Low-income

POPULATION SHARE
6.8%

People of color

POPULATION SHARE
1.2%

Under age 5

POPULATION SHARE
43.9%

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.3below 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.15below 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.48near 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.13below 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.71above 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.33below 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.19below 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.39below 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.60near 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)1well below the reference
Ozone31well below the reference
Nitrogen dioxide (NO₂)2well below the reference
Diesel particulate10well below the reference
Toxic releases (RSEI)29well below the reference
Traffic proximity9well below the reference
Lead-paint risk (pre-1960 housing)39well below the reference
Superfund site proximity0well below the reference
RMP-facility proximity20well below the reference
Hazardous-waste site proximity12well below the reference
Underground storage tanks23well below the reference
NPDES wastewater proximity36well 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 2021-01-012026-05-07.

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.