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ST CLOUD WATERWORKS

PWS ID: WI4200477 · ST CLOUD, Wisconsin 53079

ST CLOUD WATERWORKS serves 494 people in ST CLOUD, Wisconsin using Groundwater water sources. It has 24 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST CLOUD WATERWORKS

ST CLOUD WATERWORKS is a local-owned community water system that delivers drinking water to 494 residents in ST CLOUD, Wisconsin (Fond du Lac County) through 182 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 24 total violations for this system , of which 14 (58%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 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 14 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. ST CLOUD WATERWORKS's 24 violations sit below the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). 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
494
Total Violations
24
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
182
County
Fond du Lac
School/Daycare
No
MCL Violations
14
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 1993
Revised Total Coliform Rule MON 4 2023
Lead and Copper Rule MR 3 2024
Coliform (TCR) MR 2 2002

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 ST CLOUD 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 WI4200477 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 ST CLOUD 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
2024 Lead and Copper Rule MR 3 SDWIS / WI4200477 / 5000
2023 Revised Total Coliform Rule MON 4 SDWIS / WI4200477 / 8000
2002 Coliform (TCR) MR 2 SDWIS / WI4200477 / 3100
1993 Coliform (TCR) MCL 14 SDWIS / WI4200477 / 3100

How ST CLOUD WATERWORKS Compares

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

Metric ST CLOUD WATERWORKS Wisconsin avg Federal benchmark
Total violations 24 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 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 494 467 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ST CLOUD WATERWORKS water safe to drink?
ST CLOUD WATERWORKS (PWS ID: WI4200477) has 24 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 494 people using Groundwater sources.
How many people does ST CLOUD WATERWORKS serve?
ST CLOUD WATERWORKS serves 494 people in ST CLOUD, Wisconsin. It is a Local-owned system using Groundwater water sources with 182 service connections.
What type of violations does ST CLOUD WATERWORKS have?
ST CLOUD WATERWORKS has 24 total violations: 14 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST CLOUD WATERWORKS water?
No PFAS testing data is available for ST CLOUD WATERWORKS under the EPA's UCMR5 monitoring program.
What water source does ST CLOUD WATERWORKS use?
ST CLOUD 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial