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Non-Transient Non-Community Water System · PWS WI2680924

Vernon Presbyterian Church

Big Bend, Wisconsin 53103 - drinking water served from groundwater sources to 364 people, tracked in EPA SDWIS and UCMR5.

364
People served
69
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 69 drinking-water violations at Vernon Presbyterian Church, 17% of them health-based - above the Wisconsin per-system average.

69
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
364
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Vernon Presbyterian Church

Vernon Presbyterian Church is a private-owned non-transient non-community water system that delivers drinking water to 364 residents in Big Bend, Wisconsin (Waukesha County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 69 total violations for this system , of which 12 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 55 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 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. Statewide, 51 of 202 UCMR5-tested systems have reported PFAS detections (25.2%).

Vernon Presbyterian Church's 69 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
364
Total Violations
69
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Waukesha
School/Daycare
Yes
MCL Violations
12
Monitoring Violations
55
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2010
Lead and Copper Rule MR 8 2024
Coliform (TCR) MR 5 2000
Nitrate MR 5 1994
Di(2-ethylhexyl) phthalate MR 5 2017
Nitrite MR 4 1995
Barium MR 4 1995
Fluoride MR 4 1995
Cadmium MR 4 1995
Mercury MR 4 1995
Selenium MR 4 1995
Chromium MR 4 1995
Arsenic MR 4 1995

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 Vernon Presbyterian 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 WI2680924 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 Vernon Presbyterian 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
2024 Lead and Copper Rule MR 8 SDWIS / WI2680924 / 5000
2017 Di(2-ethylhexyl) phthalate MR 5 SDWIS / WI2680924 / 2039
2010 Coliform (TCR) MCL 12 SDWIS / WI2680924 / 3100
2000 Coliform (TCR) MR 5 SDWIS / WI2680924 / 3100
1995 Nitrite MR 4 SDWIS / WI2680924 / 1041
1995 Barium MR 4 SDWIS / WI2680924 / 1010
1995 Fluoride MR 4 SDWIS / WI2680924 / 1025
1995 Cadmium MR 4 SDWIS / WI2680924 / 1015
1995 Mercury MR 4 SDWIS / WI2680924 / 1035
1995 Selenium MR 4 SDWIS / WI2680924 / 1045
1995 Chromium MR 4 SDWIS / WI2680924 / 1020
1995 Arsenic MR 4 SDWIS / WI2680924 / 1005
1994 Nitrate MR 5 SDWIS / WI2680924 / 1040

How Vernon Presbyterian Church Compares

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

Metric Vernon Presbyterian Church Wisconsin avg Federal benchmark
Total violations 69 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 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 364 467 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 Vernon Presbyterian Church water safe to drink? ▼
Vernon Presbyterian Church (PWS ID: WI2680924) has 69 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 364 people using Groundwater sources.
How many people does Vernon Presbyterian Church serve? ▼
Vernon Presbyterian Church serves 364 people in Big Bend, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Vernon Presbyterian Church have? ▼
Vernon Presbyterian Church has 69 total violations: 12 health-based violations (MCL exceedances or treatment failures), 55 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Vernon Presbyterian Church water? ▼
No PFAS testing data is available for Vernon Presbyterian Church under the EPA's UCMR5 monitoring program.
What water source does Vernon Presbyterian Church use? ▼
Vernon Presbyterian Church uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.