PlainWater

ST JOHNS LUTHERAN CHURCH

PWS ID: WI6420326 · Tomah, Wisconsin 54660-9804

ST JOHNS LUTHERAN CHURCH serves 50 people in Tomah, Wisconsin using Groundwater water sources. It has 21 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST JOHNS LUTHERAN CHURCH

ST JOHNS LUTHERAN CHURCH is a private-owned transient non-community water system that delivers drinking water to 50 residents in Tomah, Wisconsin (Monroe County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 21 total violations for this system , of which 12 (57%) 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 2002.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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 JOHNS LUTHERAN CHURCH's 21 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
50
Total Violations
21
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Monroe
School/Daycare
No
MCL Violations
12
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2002
Nitrate MR 6 1999
Coliform (TCR) MR 3 1996

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 JOHNS LUTHERAN CHURCH.

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 WI6420326 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 JOHNS LUTHERAN CHURCH 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
2002 Coliform (TCR) MCL 12 SDWIS / WI6420326 / 3100
1999 Nitrate MR 6 SDWIS / WI6420326 / 1040
1996 Coliform (TCR) MR 3 SDWIS / WI6420326 / 3100

How ST JOHNS LUTHERAN CHURCH Compares

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

Metric ST JOHNS LUTHERAN CHURCH Wisconsin avg Federal benchmark
Total violations 21 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 50 467 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 JOHNS LUTHERAN CHURCH water safe to drink?
ST JOHNS LUTHERAN CHURCH (PWS ID: WI6420326) has 21 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does ST JOHNS LUTHERAN CHURCH serve?
ST JOHNS LUTHERAN CHURCH serves 50 people in Tomah, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does ST JOHNS LUTHERAN CHURCH have?
ST JOHNS LUTHERAN CHURCH has 21 total violations: 12 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 JOHNS LUTHERAN CHURCH water?
No PFAS testing data is available for ST JOHNS LUTHERAN CHURCH under the EPA's UCMR5 monitoring program.
What water source does ST JOHNS LUTHERAN CHURCH use?
ST JOHNS LUTHERAN CHURCH uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

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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