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Non-Transient Non-Community Water System · PWS WI4600547

St Johns Lutheran Sch

Random Lake, Wisconsin 53075 - drinking water served from groundwater sources to 170 people, tracked in EPA SDWIS and UCMR5.

170
People served
355
EPA violations
18
Health-based
Untested
UCMR5 result

The verdict

EPA records 355 drinking-water violations at St Johns Lutheran Sch, 5% of them health-based - above the Wisconsin per-system average.

355
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
170
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: St Johns Lutheran Sch

St Johns Lutheran Sch is a private-owned non-transient non-community water system that delivers drinking water to 170 residents in Random Lake, Wisconsin (Sheboygan County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 355 total violations for this system , of which 18 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 334 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 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%).

St Johns Lutheran Sch's 355 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
355
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Sheboygan
School/Daycare
Yes
MCL Violations
18
Monitoring Violations
334
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 16 2000
cis-1,2-Dichloroethylene MR 11 2002
Xylenes, Total MR 11 2002
DICHLOROMETHANE MR 11 2002
o-Dichlorobenzene MR 11 2002
p-Dichlorobenzene MR 11 2002
Vinyl chloride MR 11 2002
1,1-Dichloroethylene MR 11 2002
trans-1,2-Dichloroethylene MR 11 2002
1,2-Dichloroethane MR 11 2002
1,2-Dichloropropane MR 11 2002
Trichloroethylene MR 11 2002
CHLOROBENZENE MR 11 2002
Benzene MR 11 2002
Toluene MR 11 2002
1,2,4-Trichlorobenzene MR 11 2002
1,1,1-Trichloroethane MR 11 2002
Tetrachloroethylene MR 11 2002
Ethylbenzene MR 11 2002
Carbon tetrachloride MR 11 2002
1,1,2-Trichloroethane MR 11 2002
Styrene MR 11 2002
Nitrate MR 11 2017
Lead and Copper Rule MR 10 2017
Coliform (TCR) MR 5 2000
Revised Total Coliform Rule MON 5 2017
Pentachlorophenol MR 3 1999
Endrin MR 3 1999
Total Polychlorinated Biphenyls (PCB) MR 3 1999
Chlordane MR 3 1999

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 Sch.

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 WI4600547 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 Sch 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
2017 Nitrate MR 11 SDWIS / WI4600547 / 1040
2017 Lead and Copper Rule MR 10 SDWIS / WI4600547 / 5000
2017 Revised Total Coliform Rule MON 5 SDWIS / WI4600547 / 8000
2002 cis-1,2-Dichloroethylene MR 11 SDWIS / WI4600547 / 2380
2002 Xylenes, Total MR 11 SDWIS / WI4600547 / 2955
2002 DICHLOROMETHANE MR 11 SDWIS / WI4600547 / 2964
2002 o-Dichlorobenzene MR 11 SDWIS / WI4600547 / 2968
2002 p-Dichlorobenzene MR 11 SDWIS / WI4600547 / 2969
2002 Vinyl chloride MR 11 SDWIS / WI4600547 / 2976
2002 1,1-Dichloroethylene MR 11 SDWIS / WI4600547 / 2977
2002 trans-1,2-Dichloroethylene MR 11 SDWIS / WI4600547 / 2979
2002 1,2-Dichloroethane MR 11 SDWIS / WI4600547 / 2980
2002 1,2-Dichloropropane MR 11 SDWIS / WI4600547 / 2983
2002 Trichloroethylene MR 11 SDWIS / WI4600547 / 2984
2002 CHLOROBENZENE MR 11 SDWIS / WI4600547 / 2989

How St Johns Lutheran Sch Compares

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

Metric St Johns Lutheran Sch Wisconsin avg Federal benchmark
Total violations 355 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 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 St Johns Lutheran Sch water safe to drink? ▼
St Johns Lutheran Sch (PWS ID: WI4600547) has 355 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 St Johns Lutheran Sch serve? ▼
St Johns Lutheran Sch serves 170 people in Random Lake, Wisconsin. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does St Johns Lutheran Sch have? ▼
St Johns Lutheran Sch has 355 total violations: 18 health-based violations (MCL exceedances or treatment failures), 334 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 Sch water? ▼
No PFAS testing data is available for St Johns Lutheran Sch under the EPA's UCMR5 monitoring program.
What water source does St Johns Lutheran Sch use? ▼
St Johns Lutheran Sch 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.