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Community Water System · PWS WI4700718

Wautoma Water Dept

Wautoma, Wisconsin 54982 - drinking water served from groundwater sources to 2,280 people, tracked in EPA SDWIS and UCMR5.

2,280
People served
49
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 49 drinking-water violations at Wautoma Water Dept - above the Wisconsin per-system average.

49
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
2,280
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wautoma Water Dept

Wautoma Water Dept is a local-owned community water system that delivers drinking water to 2,280 residents in Wautoma, Wisconsin (Waushara County) through 844 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 49 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 49 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 12 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, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

Wautoma Water Dept's 49 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
2,280
Total Violations
49
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
844
County
Waushara
School/Daycare
No
MCL Violations
0
Monitoring Violations
49
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MR 12 2009
Radium-228 MR 12 2009
Gross Alpha, Excl. Radon and U MR 12 2009
Coliform (TCR) MR 5 1998
TTHM MR 4 2015
Total Haloacetic Acids (HAA5) MR 4 2015

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 Wautoma Water Dept.

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 WI4700718 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 Wautoma Water Dept 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
2015 TTHM MR 4 SDWIS / WI4700718 / 2950
2015 Total Haloacetic Acids (HAA5) MR 4 SDWIS / WI4700718 / 2456
2009 Combined Radium (-226 and -228) MR 12 SDWIS / WI4700718 / 4010
2009 Radium-228 MR 12 SDWIS / WI4700718 / 4030
2009 Gross Alpha, Excl. Radon and U MR 12 SDWIS / WI4700718 / 4000
1998 Coliform (TCR) MR 5 SDWIS / WI4700718 / 3100

How Wautoma Water Dept Compares

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

Metric Wautoma Water Dept Wisconsin avg Federal benchmark
Total violations 49 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,280 467 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 Wautoma Water Dept water safe to drink?
Wautoma Water Dept (PWS ID: WI4700718) has 49 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,280 people using Groundwater sources.
How many people does Wautoma Water Dept serve?
Wautoma Water Dept serves 2,280 people in Wautoma, Wisconsin. It is a Local-owned system using Groundwater water sources with 844 service connections.
What type of violations does Wautoma Water Dept have?
Wautoma Water Dept has 49 total violations: 0 health-based violations (MCL exceedances or treatment failures), 49 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wautoma Water Dept water?
No PFAS testing data is available for Wautoma Water Dept under the EPA's UCMR5 monitoring program.
What water source does Wautoma Water Dept use?
Wautoma Water Dept 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.
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.