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ST JOHNS LUTHERAN SCHOOL

PWS ID: WI2670171 · NEWBURG, Wisconsin 53060

ST JOHNS LUTHERAN SCHOOL serves 710 people in NEWBURG, Wisconsin using Groundwater water sources. It has 767 recorded EPA violations, including 20 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST JOHNS LUTHERAN SCHOOL

ST JOHNS LUTHERAN SCHOOL is a private-owned non-transient non-community water system that delivers drinking water to 710 residents in NEWBURG, Wisconsin (Washington County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 767 total violations for this system , of which 20 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 740 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 64 violations (MR). 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 SCHOOL's 767 violations sit above 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
710
Total Violations
767
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Washington
School/Daycare
Yes
MCL Violations
9
Monitoring Violations
740
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 64 2025
Coliform (TCR) MR 28 2013
Nitrate MR 24 2002
Nitrite MR 20 2001
Selenium MR 20 2001
Arsenic MR 20 2001
Chromium MR 20 2001
Fluoride MR 20 2001
Nitrate-Nitrite MR 20 2001
Mercury MR 20 2001
Cadmium MR 20 2001
Barium MR 20 2001
Antimony, Total MR 18 2001
Nickel MR 18 2001
Beryllium, Total MR 18 2001
Thallium, Total MR 18 2001
o-Dichlorobenzene MR 12 2001
p-Dichlorobenzene MR 12 2001
1,2-Dichloroethane MR 12 2001
1,2-Dichloropropane MR 12 2001
Trichloroethylene MR 12 2001
CHLOROBENZENE MR 12 2001
Benzene MR 12 2001
Styrene MR 12 2001
cis-1,2-Dichloroethylene MR 12 2001
trans-1,2-Dichloroethylene MR 12 2001
Toluene MR 12 2001
Ethylbenzene MR 12 2001
DICHLOROMETHANE MR 12 2001
Carbon tetrachloride MR 12 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 ST JOHNS LUTHERAN SCHOOL.

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 WI2670171 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 SCHOOL 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
2025 Lead and Copper Rule MR 64 SDWIS / WI2670171 / 5000
2022 Lead and Copper Rule TT 11 SDWIS / WI2670171 / 5000
2013 Coliform (TCR) MR 28 SDWIS / WI2670171 / 3100
2009 Public Notice Other 7 SDWIS / WI2670171 / 7500
2002 Nitrate MR 24 SDWIS / WI2670171 / 1040
2001 Nitrite MR 20 SDWIS / WI2670171 / 1041
2001 Selenium MR 20 SDWIS / WI2670171 / 1045
2001 Arsenic MR 20 SDWIS / WI2670171 / 1005
2001 Chromium MR 20 SDWIS / WI2670171 / 1020
2001 Fluoride MR 20 SDWIS / WI2670171 / 1025
2001 Nitrate-Nitrite MR 20 SDWIS / WI2670171 / 1038
2001 Mercury MR 20 SDWIS / WI2670171 / 1035
2001 Cadmium MR 20 SDWIS / WI2670171 / 1015
2001 Barium MR 20 SDWIS / WI2670171 / 1010
2001 Antimony, Total MR 18 SDWIS / WI2670171 / 1074

How ST JOHNS LUTHERAN SCHOOL Compares

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

Metric ST JOHNS LUTHERAN SCHOOL Wisconsin avg Federal benchmark
Total violations 767 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 20 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 710 467 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 SCHOOL water safe to drink? ▼
ST JOHNS LUTHERAN SCHOOL (PWS ID: WI2670171) has 767 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 710 people using Groundwater sources.
How many people does ST JOHNS LUTHERAN SCHOOL serve? ▼
ST JOHNS LUTHERAN SCHOOL serves 710 people in NEWBURG, Wisconsin. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does ST JOHNS LUTHERAN SCHOOL have? ▼
ST JOHNS LUTHERAN SCHOOL has 767 total violations: 20 health-based violations (MCL exceedances or treatment failures), 740 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST JOHNS LUTHERAN SCHOOL water? ▼
No PFAS testing data is available for ST JOHNS LUTHERAN SCHOOL under the EPA's UCMR5 monitoring program.
What water source does ST JOHNS LUTHERAN SCHOOL use? ▼
ST JOHNS LUTHERAN SCHOOL 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.

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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.

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