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Community Water System · PWS WI6170274

Wheeler Waterworks Assoc

Wheeler, Wisconsin 54772 - drinking water served from groundwater sources to 317 people, tracked in EPA SDWIS and UCMR5.

317
People served
288
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 288 drinking-water violations at Wheeler Waterworks Assoc, 8% of them health-based - above the Wisconsin per-system average.

288
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
317
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wheeler Waterworks Assoc

Wheeler Waterworks Assoc is a local-owned community water system that delivers drinking water to 317 residents in Wheeler, Wisconsin (Dunn County) through 148 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 288 total violations for this system , of which 22 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 244 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 Coliform (TCR), recorded in 21 violations (MCL, health-based). 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%).

Wheeler Waterworks Assoc's 288 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
317
Total Violations
288
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
148
County
Dunn
School/Daycare
No
MCL Violations
21
Monitoring Violations
244
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 21 2010
Consumer Confidence Rule Other 11 2022
Coliform (TCR) MR 8 2013
Barium MR 4 2017
Nickel MR 4 2017
Nitrite MR 4 2017
Antimony, Total MR 4 2017
Thallium, Total MR 4 2017
BHC-GAMMA MR 4 2017
Methoxychlor MR 4 2017
Picloram MR 4 2017
Carbofuran MR 4 2017
Glyphosate MR 4 2017
Endrin MR 4 2017
2,4,5-TP MR 4 2017
Hexachlorocyclopentadiene MR 4 2017
Simazine MR 4 2017
OXAMYL MR 4 2017
Endothall MR 4 2017
Diquat MR 4 2017
Dalapon MR 4 2017
Toxaphene MR 4 2017
CHLOROBENZENE MR 4 2017
Trichloroethylene MR 4 2017
1,2-Dichloropropane MR 4 2017
Carbon tetrachloride MR 4 2017
1,1,1-Trichloroethane MR 4 2017
1,1-Dichloroethylene MR 4 2017
Vinyl chloride MR 4 2017
DICHLOROMETHANE MR 4 2017

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 Wheeler Waterworks Assoc.

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 WI6170274 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 Wheeler Waterworks Assoc 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 Lead and Copper Rule MR 4 SDWIS / WI6170274 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / WI6170274 / 5200
2024 Public Notice Other 1 SDWIS / WI6170274 / 7500
2022 Consumer Confidence Rule Other 11 SDWIS / WI6170274 / 7000
2020 Revised Total Coliform Rule MON 4 SDWIS / WI6170274 / 8000
2017 Barium MR 4 SDWIS / WI6170274 / 1010
2017 Nickel MR 4 SDWIS / WI6170274 / 1036
2017 Nitrite MR 4 SDWIS / WI6170274 / 1041
2017 Antimony, Total MR 4 SDWIS / WI6170274 / 1074
2017 Thallium, Total MR 4 SDWIS / WI6170274 / 1085
2017 BHC-GAMMA MR 4 SDWIS / WI6170274 / 2010
2017 Methoxychlor MR 4 SDWIS / WI6170274 / 2015
2017 Picloram MR 4 SDWIS / WI6170274 / 2040
2017 Carbofuran MR 4 SDWIS / WI6170274 / 2046
2017 Glyphosate MR 4 SDWIS / WI6170274 / 2034

How Wheeler Waterworks Assoc Compares

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

Metric Wheeler Waterworks Assoc Wisconsin avg Federal benchmark
Total violations 288 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 317 467 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 Wheeler Waterworks Assoc water safe to drink? ▼
Wheeler Waterworks Assoc (PWS ID: WI6170274) has 288 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 317 people using Groundwater sources.
How many people does Wheeler Waterworks Assoc serve? ▼
Wheeler Waterworks Assoc serves 317 people in Wheeler, Wisconsin. It is a Local-owned system using Groundwater water sources with 148 service connections.
What type of violations does Wheeler Waterworks Assoc have? ▼
Wheeler Waterworks Assoc has 288 total violations: 22 health-based violations (MCL exceedances or treatment failures), 244 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wheeler Waterworks Assoc water? ▼
No PFAS testing data is available for Wheeler Waterworks Assoc under the EPA's UCMR5 monitoring program.
What water source does Wheeler Waterworks Assoc use? ▼
Wheeler Waterworks Assoc 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.