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Community Water System · PWS WI8510408

Fifield Sanitary District

Fifield, Wisconsin 54524 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
110
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 110 drinking-water violations at Fifield Sanitary District, 4% of them health-based - above the Wisconsin per-system average.

110
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fifield Sanitary District

Fifield Sanitary District is a local-owned community water system that delivers drinking water to 300 residents in Fifield, Wisconsin (Price County) through 136 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 110 total violations for this system , of which 4 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 99 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 21 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. Statewide, 51 of 202 UCMR5-tested systems have reported PFAS detections (25.2%).

Fifield Sanitary District's 110 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
300
Total Violations
110
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
136
County
Price
School/Daycare
No
MCL Violations
0
Monitoring Violations
99
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 21 2021
Total Haloacetic Acids (HAA5) MR 14 2024
TTHM MR 14 2024
Public Notice Other 5 2024
Lead and Copper Rule TT 4 2018
Consumer Confidence Rule Other 2 2015
Nitrate MR 2 1993
BHC-GAMMA MR 2 1993
Simazine MR 2 1993
Dinoseb MR 2 1993
Aldicarb sulfone MR 2 1993
Atrazine MR 2 1993
LASSO MR 2 1993
Heptachlor epoxide MR 2 1993
2,4-D MR 2 1993
2,4,5-TP MR 2 1993
Pentachlorophenol MR 2 1993
Chlordane MR 2 1993
Endrin MR 2 1993
Methoxychlor MR 2 1993
Toxaphene MR 2 1993
Aldicarb sulfoxide MR 2 1993
Heptachlor MR 2 1993
Total Polychlorinated Biphenyls (PCB) MR 2 1993
Hexachlorocyclopentadiene MR 2 1993
Aldicarb MR 2 1993
Picloram MR 2 1993
Dalapon MR 2 1993
HEXACHLOROBENZENE MR 2 1993
OXAMYL MR 2 1993

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Fifield Sanitary District.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI8510408 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR, Drinking Water and Groundwater is the primacy agency that licenses and inspects Fifield Sanitary District under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Total Haloacetic Acids (HAA5) MR 14 SDWIS / WI8510408 / 2456
2024 TTHM MR 14 SDWIS / WI8510408 / 2950
2024 Public Notice Other 5 SDWIS / WI8510408 / 7500
2021 Lead and Copper Rule MR 21 SDWIS / WI8510408 / 5000
2018 Lead and Copper Rule TT 4 SDWIS / WI8510408 / 5000
2015 Consumer Confidence Rule Other 2 SDWIS / WI8510408 / 7000
1993 Nitrate MR 2 SDWIS / WI8510408 / 1040
1993 BHC-GAMMA MR 2 SDWIS / WI8510408 / 2010
1993 Simazine MR 2 SDWIS / WI8510408 / 2037
1993 Dinoseb MR 2 SDWIS / WI8510408 / 2041
1993 Aldicarb sulfone MR 2 SDWIS / WI8510408 / 2044
1993 Atrazine MR 2 SDWIS / WI8510408 / 2050
1993 LASSO MR 2 SDWIS / WI8510408 / 2051
1993 Heptachlor epoxide MR 2 SDWIS / WI8510408 / 2067
1993 2,4-D MR 2 SDWIS / WI8510408 / 2105

How Fifield Sanitary District Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Fifield Sanitary District Wisconsin avg Federal benchmark
Total violations 110 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 300 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Fifield Sanitary District water safe to drink? ▼
Fifield Sanitary District (PWS ID: WI8510408) has 110 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Fifield Sanitary District serve? ▼
Fifield Sanitary District serves 300 people in Fifield, Wisconsin. It is a Local-owned system using Groundwater water sources with 136 service connections.
What type of violations does Fifield Sanitary District have? ▼
Fifield Sanitary District has 110 total violations: 4 health-based violations (MCL exceedances or treatment failures), 99 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fifield Sanitary District water? ▼
No PFAS testing data is available for Fifield Sanitary District under the EPA's UCMR5 monitoring program.
What water source does Fifield Sanitary District use? ▼
Fifield Sanitary District uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.