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Community Water System · PWS WI4690391

Clintonville Utilities

Clintonville, Wisconsin 54929-1513 - drinking water served from groundwater sources to 4,635 people, tracked in EPA SDWIS and UCMR5.

4,635
People served
228
EPA violations
51
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 228 drinking-water violations at Clintonville Utilities, 22% of them health-based - above the Wisconsin per-system average.

228
Total EPA violations on record
22%
Health-based (MCL / treatment failure)
4,635
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clintonville Utilities

Clintonville Utilities is a local-owned community water system that delivers drinking water to 4,635 residents in Clintonville, Wisconsin (Waupaca County) through 1,716 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 228 total violations for this system , of which 51 (22%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 154 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 Arsenic, recorded in 45 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Clintonville Utilities's 228 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
4,635
Total Violations
228
Health-Based Violations
51
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,716
County
Waupaca
School/Daycare
No
MCL Violations
48
Monitoring Violations
154
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 45 2008
Arsenic MR 30 2009
Public Notice Other 18 2024
TTHM MR 15 2009
Lead and Copper Rule MR 8 2008
Coliform (TCR) MR 8 2012
Total Haloacetic Acids (HAA5) MR 5 2008
p-Dichlorobenzene MR 4 2008
Vinyl chloride MR 4 2008
1,1-Dichloroethylene MR 4 2008
trans-1,2-Dichloroethylene MR 4 2008
1,2-Dichloroethane MR 4 2008
Carbon tetrachloride MR 4 2008
Trichloroethylene MR 4 2008
Styrene MR 4 2008
1,2,4-Trichlorobenzene MR 4 2008
Xylenes, Total MR 4 2008
o-Dichlorobenzene MR 4 2008
Chlorine MR 4 2012
Benzene MR 4 2008
cis-1,2-Dichloroethylene MR 4 2008
1,1,1-Trichloroethane MR 4 2008
1,1,2-Trichloroethane MR 4 2008
Toluene MR 4 2008
Ethylbenzene MR 4 2008
1,2-Dichloropropane MR 4 2008
DICHLOROMETHANE MR 4 2008
Tetrachloroethylene MR 4 2008
CHLOROBENZENE MR 4 2008
Coliform (TCR) MCL 3 1994

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 6/21/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 6/21/2023 <8.00 ppt 8.00 ppt Not Detected
PFBS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 6/21/2023 <7.00 ppt 7.00 ppt Not Detected
PFNA 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/21/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 6/21/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 6/21/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 6/21/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/21/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/21/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 6/21/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFMPA 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/21/2023 <3.00 ppt 3.00 ppt Not Detected

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 Clintonville Utilities.

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 WI4690391 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 Clintonville Utilities 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 Public Notice Other 18 SDWIS / WI4690391 / 7500
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / WI4690391 / 5200
2012 Coliform (TCR) MR 8 SDWIS / WI4690391 / 3100
2012 Chlorine MR 4 SDWIS / WI4690391 / 0999
2009 Arsenic MR 30 SDWIS / WI4690391 / 1005
2009 TTHM MR 15 SDWIS / WI4690391 / 2950
2008 Arsenic MCL 45 SDWIS / WI4690391 / 1005
2008 Lead and Copper Rule MR 8 SDWIS / WI4690391 / 5000
2008 Total Haloacetic Acids (HAA5) MR 5 SDWIS / WI4690391 / 2456
2008 p-Dichlorobenzene MR 4 SDWIS / WI4690391 / 2969
2008 Vinyl chloride MR 4 SDWIS / WI4690391 / 2976
2008 1,1-Dichloroethylene MR 4 SDWIS / WI4690391 / 2977
2008 trans-1,2-Dichloroethylene MR 4 SDWIS / WI4690391 / 2979
2008 1,2-Dichloroethane MR 4 SDWIS / WI4690391 / 2980
2008 Carbon tetrachloride MR 4 SDWIS / WI4690391 / 2982

How Clintonville Utilities Compares

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

Metric Clintonville Utilities Wisconsin avg Federal benchmark
Total violations 228 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 51 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 4,635 467 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 Clintonville Utilities water safe to drink? ▼
Clintonville Utilities (PWS ID: WI4690391) has 228 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,635 people using Groundwater sources.
How many people does Clintonville Utilities serve? ▼
Clintonville Utilities serves 4,635 people in Clintonville, Wisconsin. It is a Local-owned system using Groundwater water sources with 1,716 service connections.
What type of violations does Clintonville Utilities have? ▼
Clintonville Utilities has 228 total violations: 51 health-based violations (MCL exceedances or treatment failures), 154 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clintonville Utilities water? ▼
No. Clintonville Utilities was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Clintonville Utilities use? ▼
Clintonville Utilities 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.