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Community Water System · PWS WI6100283

Withee Waterworks

Withee, Wisconsin 54498 - drinking water served from groundwater sources to 506 people, tracked in EPA SDWIS and UCMR5.

506
People served
97
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 97 drinking-water violations at Withee Waterworks - above the Wisconsin per-system average.

97
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
506
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Withee Waterworks

Withee Waterworks is a local-owned community water system that delivers drinking water to 506 residents in Withee, Wisconsin (Clark County) through 243 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 97 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 96 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 Coliform (TCR), recorded in 8 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%).

Withee Waterworks's 97 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
506
Total Violations
97
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
243
County
Clark
School/Daycare
No
MCL Violations
0
Monitoring Violations
96
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 8 2015
1,2,4-Trichlorobenzene MR 4 2006
o-Dichlorobenzene MR 4 2006
p-Dichlorobenzene MR 4 2006
Vinyl chloride MR 4 2006
trans-1,2-Dichloroethylene MR 4 2006
Trichloroethylene MR 4 2006
Tetrachloroethylene MR 4 2006
CHLOROBENZENE MR 4 2006
Ethylbenzene MR 4 2006
Styrene MR 4 2006
Chlorine MR 4 2015
1,1,1-Trichloroethane MR 4 2006
Toluene MR 4 2006
Xylenes, Total MR 4 2006
cis-1,2-Dichloroethylene MR 4 2006
Carbon tetrachloride MR 4 2006
1,1,2-Trichloroethane MR 4 2006
Benzene MR 4 2006
1,2-Dichloropropane MR 4 2006
1,1-Dichloroethylene MR 4 2006
1,2-Dichloroethane MR 4 2006
DICHLOROMETHANE MR 4 2006

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 Withee Waterworks.

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 WI6100283 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 Withee Waterworks 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 Coliform (TCR) MR 8 SDWIS / WI6100283 / 3100
2015 Chlorine MR 4 SDWIS / WI6100283 / 0999
2006 1,2,4-Trichlorobenzene MR 4 SDWIS / WI6100283 / 2378
2006 o-Dichlorobenzene MR 4 SDWIS / WI6100283 / 2968
2006 p-Dichlorobenzene MR 4 SDWIS / WI6100283 / 2969
2006 Vinyl chloride MR 4 SDWIS / WI6100283 / 2976
2006 trans-1,2-Dichloroethylene MR 4 SDWIS / WI6100283 / 2979
2006 Trichloroethylene MR 4 SDWIS / WI6100283 / 2984
2006 Tetrachloroethylene MR 4 SDWIS / WI6100283 / 2987
2006 CHLOROBENZENE MR 4 SDWIS / WI6100283 / 2989
2006 Ethylbenzene MR 4 SDWIS / WI6100283 / 2992
2006 Styrene MR 4 SDWIS / WI6100283 / 2996
2006 1,1,1-Trichloroethane MR 4 SDWIS / WI6100283 / 2981
2006 Toluene MR 4 SDWIS / WI6100283 / 2991
2006 Xylenes, Total MR 4 SDWIS / WI6100283 / 2955

How Withee Waterworks Compares

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

Metric Withee Waterworks Wisconsin avg Federal benchmark
Total violations 97 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 506 467 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 Withee Waterworks water safe to drink? ▼
Withee Waterworks (PWS ID: WI6100283) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 506 people using Groundwater sources.
How many people does Withee Waterworks serve? ▼
Withee Waterworks serves 506 people in Withee, Wisconsin. It is a Local-owned system using Groundwater water sources with 243 service connections.
What type of violations does Withee Waterworks have? ▼
Withee Waterworks has 97 total violations: 0 health-based violations (MCL exceedances or treatment failures), 96 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Withee Waterworks water? ▼
No PFAS testing data is available for Withee Waterworks under the EPA's UCMR5 monitoring program.
What water source does Withee Waterworks use? ▼
Withee Waterworks 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.