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Community Water System · PWS WI2650146

Troy Center Sanitary District

Troy Center, Wisconsin 53120 - drinking water served from groundwater sources to 170 people, tracked in EPA SDWIS and UCMR5.

170
People served
72
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 72 drinking-water violations at Troy Center Sanitary District - above the Wisconsin per-system average.

72
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
170
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Troy Center Sanitary District

Troy Center Sanitary District is a local-owned community water system that delivers drinking water to 170 residents in Troy Center, Wisconsin (Walworth County) through 50 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 72 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 27 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 43 violations (Other). 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, 51 of 202 UCMR5-tested systems have reported PFAS detections (25.2%).

Troy Center Sanitary District's 72 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
170
Total Violations
72
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
50
County
Walworth
School/Daycare
No
MCL Violations
0
Monitoring Violations
27
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 43 2018
Coliform (TCR) MR 12 2009
Fluoride MR 4 2005
Nitrate-Nitrite MR 4 2005
Nitrite MR 4 2005
Gross Alpha, Excl. Radon and U MR 3 2001

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 Troy Center Sanitary District.

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 WI2650146 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 Troy Center Sanitary District 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
2018 Consumer Confidence Rule Other 43 SDWIS / WI2650146 / 7000
2009 Coliform (TCR) MR 12 SDWIS / WI2650146 / 3100
2005 Fluoride MR 4 SDWIS / WI2650146 / 1025
2005 Nitrate-Nitrite MR 4 SDWIS / WI2650146 / 1038
2005 Nitrite MR 4 SDWIS / WI2650146 / 1041
2001 Gross Alpha, Excl. Radon and U MR 3 SDWIS / WI2650146 / 4000

How Troy Center Sanitary District Compares

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

Metric Troy Center Sanitary District Wisconsin avg Federal benchmark
Total violations 72 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 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 170 467 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 Troy Center Sanitary District water safe to drink? ▼
Troy Center Sanitary District (PWS ID: WI2650146) has 72 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 170 people using Groundwater sources.
How many people does Troy Center Sanitary District serve? ▼
Troy Center Sanitary District serves 170 people in Troy Center, Wisconsin. It is a Local-owned system using Groundwater water sources with 50 service connections.
What type of violations does Troy Center Sanitary District have? ▼
Troy Center Sanitary District has 72 total violations: 0 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Troy Center Sanitary District water? ▼
No PFAS testing data is available for Troy Center Sanitary District under the EPA's UCMR5 monitoring program.
What water source does Troy Center Sanitary District use? ▼
Troy Center Sanitary District 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.