Wisconsin · drinking water · SDWIS through latest publish

Spring Green Estates North Water Quality — Marshfield, Wisconsin

PWSID WI1571284 · GroundwaterPrivate

32 people served. No health-based SDWIS violations recorded in the past 5 years. 59 remain unresolved. Last cited 1 year ago.

ALL SDWIS VIOLATIONS · 20232026 (annual count)
Bar chart of annual values from 2023 to 2026, in violations. Most recent year (2026): 0 violations.83 violations'23'24'25'260 violations
Anomaly engine

Active signals

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 4010

Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 4010).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 4010

Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 4010).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 4030

Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 4030).

EPA SDWIS record

UNRESOLVED VIOLATION · SDWIS VIOLATION

Contaminant 4030

Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 4030).

EPA SDWIS record

Most-cited contaminants

What This Utility Gets Cited For

  • Contaminant 40105 citations
  • Contaminant 40305 citations
  • Contaminant 80005 citations
  • Contaminant 40203 citations
  • Uranium3 citations
  • Combined Radium 226/2283 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 4010UNRESOLVED

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

Failure to monitor as scheduled

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 4010UNRESOLVED

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

Failure to monitor as scheduled

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 4030UNRESOLVED

2025 · Contaminant 4030 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4030

MONITORING · CONTAMINANT 4030UNRESOLVED

2025 · Contaminant 4030 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4030

OTHER · CONTAMINANT 7000

2024 · Contaminant 7000 · Phase I/II/V Synthetic Organic Chemical Rules

OTHER; returned to compliance

CONTAMINANT CODE 7000

OTHER · CONTAMINANT 7000

2024 · Contaminant 7000 · Phase I/II/V Synthetic Organic Chemical Rules

OTHER; returned to compliance

CONTAMINANT CODE 7000

MONITORING · CONTAMINANT 8000UNRESOLVED

2023 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure

CONTAMINANT CODE 8000

MONITORING · CONTAMINANT 8000UNRESOLVED

2023 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure

CONTAMINANT CODE 8000

MONITORING · CONTAMINANT 8000

2023 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure; returned to compliance

CONTAMINANT CODE 8000

MONITORING · CONTAMINANT 4030UNRESOLVED

2023 · Contaminant 4030 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4030

MONITORING · CONTAMINANT 4030UNRESOLVED

2023 · Contaminant 4030 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4030

MONITORING · CONTAMINANT 4030

2023 · Contaminant 4030 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4030

MONITORING · CONTAMINANT 4020UNRESOLVED

2023 · Contaminant 4020 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4020

MONITORING · CONTAMINANT 4020UNRESOLVED

2023 · Contaminant 4020 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4020

MONITORING · CONTAMINANT 4020

2023 · Contaminant 4020 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4020

MONITORING · CONTAMINANT 4010UNRESOLVED

2023 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 4010UNRESOLVED

2023 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4010

MONITORING · CONTAMINANT 4010

2023 · Contaminant 4010 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4010

MONITORING · URANIUMUNRESOLVED

2023 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4006

MONITORING · URANIUMUNRESOLVED

2023 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4006

MONITORING · URANIUM

2023 · Uranium · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4006

MONITORING · COMBINED RADIUM 226/228UNRESOLVED

2023 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4000

MONITORING · COMBINED RADIUM 226/228UNRESOLVED

2023 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled

CONTAMINANT CODE 4000

MONITORING · COMBINED RADIUM 226/228

2023 · Combined Radium 226/228 · Phase I/II/V Inorganic Chemical Rules

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 4000

MONITORING · CONTAMINANT 2964UNRESOLVED

2023 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2964UNRESOLVED

2023 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2964

2023 · Contaminant 2964 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2964

MONITORING · CONTAMINANT 2992UNRESOLVED

2023 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2992UNRESOLVED

2023 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2992

2023 · Contaminant 2992 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2992

MONITORING · CONTAMINANT 2990UNRESOLVED

2023 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2990UNRESOLVED

2023 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2990

2023 · Contaminant 2990 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2990

MONITORING · CONTAMINANT 2989UNRESOLVED

2023 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2989UNRESOLVED

2023 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2989

2023 · Contaminant 2989 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2989

MONITORING · CONTAMINANT 2987UNRESOLVED

2023 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2987

MONITORING · CONTAMINANT 2987UNRESOLVED

2023 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2987

MONITORING · CONTAMINANT 2987

2023 · Contaminant 2987 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2987

MONITORING · CONTAMINANT 2977UNRESOLVED

2023 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2977UNRESOLVED

2023 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2977

2023 · Contaminant 2977 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2977

MONITORING · CONTAMINANT 2991UNRESOLVED

2023 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2991

MONITORING · CONTAMINANT 2991UNRESOLVED

2023 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2991

MONITORING · CONTAMINANT 2991

2023 · Contaminant 2991 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2991

MONITORING · XYLENES (TOTAL)UNRESOLVED

2023 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2378

MONITORING · XYLENES (TOTAL)UNRESOLVED

2023 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2378

MONITORING · XYLENES (TOTAL)

2023 · Xylenes (total) · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2378

MONITORING · BENZENEUNRESOLVED

2023 · Benzene · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2380

MONITORING · BENZENEUNRESOLVED

2023 · Benzene · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2380

MONITORING · BENZENE

2023 · Benzene · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2380

MONITORING · CONTAMINANT 2955UNRESOLVED

2023 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2955UNRESOLVED

2023 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2955

2023 · Contaminant 2955 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2955

MONITORING · CONTAMINANT 2996UNRESOLVED

2023 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2996

MONITORING · CONTAMINANT 2996UNRESOLVED

2023 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2996

MONITORING · CONTAMINANT 2996

2023 · Contaminant 2996 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2996

MONITORING · CONTAMINANT 2968UNRESOLVED

2023 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2968UNRESOLVED

2023 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2968

2023 · Contaminant 2968 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2968

MONITORING · CONTAMINANT 2969UNRESOLVED

2023 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2969UNRESOLVED

2023 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2969

2023 · Contaminant 2969 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2969

MONITORING · CONTAMINANT 2976UNRESOLVED

2023 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2976UNRESOLVED

2023 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2976

2023 · Contaminant 2976 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2976

MONITORING · CONTAMINANT 2979UNRESOLVED

2023 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2979

MONITORING · CONTAMINANT 2979UNRESOLVED

2023 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2979

MONITORING · CONTAMINANT 2979

2023 · Contaminant 2979 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2979

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)UNRESOLVED

2023 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2980

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)UNRESOLVED

2023 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2980

MONITORING · METHYL TERT-BUTYL ETHER (MTBE)

2023 · Methyl tert-butyl ether (MTBE) · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2980

MONITORING · CONTAMINANT 2981UNRESOLVED

2023 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2981UNRESOLVED

2023 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2981

2023 · Contaminant 2981 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2981

MONITORING · CONTAMINANT 2982UNRESOLVED

2023 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2982

MONITORING · CONTAMINANT 2982UNRESOLVED

2023 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2982

MONITORING · CONTAMINANT 2982

2023 · Contaminant 2982 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2982

MONITORING · CONTAMINANT 2983UNRESOLVED

2023 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2983UNRESOLVED

2023 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2983

2023 · Contaminant 2983 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2983

MONITORING · CONTAMINANT 2984UNRESOLVED

2023 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2984UNRESOLVED

2023 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2984

2023 · Contaminant 2984 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2984

MONITORING · CONTAMINANT 2985UNRESOLVED

2023 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 2985UNRESOLVED

2023 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 2985

2023 · Contaminant 2985 · Arsenic Rule

Failure to monitor as scheduled; returned to compliance

CONTAMINANT CODE 2985

MONITORING · CONTAMINANT 8000UNRESOLVED

2023 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure

CONTAMINANT CODE 8000

MONITORING · CONTAMINANT 8000

2023 · Contaminant 8000 · Revised Total Coliform Rule

Monitoring failure; returned to compliance

CONTAMINANT CODE 8000

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

Who Drinks This Water

Marshfield, Wisconsin (Census place; block-group disparity scores aggregated by centroid containment): a service population of 18,795. Local disparity score for pm2.5 (fine particulate) sits well below the reference (28). Why we surface this →

POPULATION SHARE
12.2%

Low-income

POPULATION SHARE
8.9%

People of color

POPULATION SHARE
4.7%

Under age 5

POPULATION SHARE
23.0%

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.28below the national median
  • OzoneHealth riskGround-level ozone (smog) inflames the airways. Even short exposures trigger asthma attacks and worsen chronic lung and heart disease.29below 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.59near 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.39below 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.91in the highest 10% nationally
  • 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.56near 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.70above 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.66above 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.55near 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.81in the highest 20% nationally
  • 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.23below 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)28well below the reference
Ozone17well below the reference
Nitrogen dioxide (NO₂)55below the reference
Diesel particulate39well below the reference
Toxic releases (RSEI)81below the reference
Traffic proximity53below the reference
Lead-paint risk (pre-1960 housing)57below the reference
Superfund site proximity62below the reference
RMP-facility proximity0well below the reference
Hazardous-waste site proximity52below the reference
Underground storage tanks71below the reference
NPDES wastewater proximity21well 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 2023-01-012026-05-07.

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.