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ST. JOHNS LUTHERAN SCHOOL

PWS ID: OH8034312 · MARYSVILLE, Ohio 43040

ST. JOHNS LUTHERAN SCHOOL serves 302 people in MARYSVILLE, Ohio using Groundwater water sources. It has 293 recorded EPA violations, including 26 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 302 residents in MARYSVILLE, Ohio (Union County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 293 total violations for this system , of which 26 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 264 monitoring and reporting violations are on file. The most recent violation on record dates to 2010.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 31 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 Ohio, EPA tracks 4,181 public water systems serving 11,085,226 people, with 288,388 cumulative violations and 52,412 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. ST. JOHNS LUTHERAN SCHOOL's 293 violations sit above the Ohio average. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%). 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
302
Total Violations
293
Health-Based Violations
26
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
4
County
Union
School/Daycare
Yes
MCL Violations
26
Monitoring Violations
264
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 31 2007
Coliform (TCR) MCL 26 2003
Xylenes, Total MR 6 2001
1,1,1-Trichloroethane MR 6 2001
CHLOROBENZENE MR 6 2001
1,2,4-Trichlorobenzene MR 6 2001
DICHLOROMETHANE MR 6 2001
Vinyl chloride MR 6 2001
1,2-Dichloroethane MR 6 2001
Tetrachloroethylene MR 6 2001
Ethylbenzene MR 6 2001
1,1-Dichloroethylene MR 6 2001
Trichloroethylene MR 6 2001
o-Dichlorobenzene MR 6 2001
1,1,2-Trichloroethane MR 6 2001
Benzene MR 6 2001
Styrene MR 6 2001
p-Dichlorobenzene MR 6 2001
trans-1,2-Dichloroethylene MR 6 2001
Carbon tetrachloride MR 6 2001
1,2-Dichloropropane MR 6 2001
Toluene MR 6 2001
cis-1,2-Dichloroethylene MR 6 2001
BHC-GAMMA MR 4 1997
Methoxychlor MR 4 1997
Diquat MR 4 1997
Endothall MR 4 1997
Glyphosate MR 4 1997
Di(2-ethylhexyl) phthalate MR 4 1997
2,4-D MR 4 1997

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 OH8034312 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Ohio Drinking Water Authority

Ohio EPA — Division of Drinking and Ground Waters is the primacy agency that licenses and inspects ST. JOHNS LUTHERAN SCHOOL under EPA-delegated authority.

Open OH regulator portal

Source: Ohio EPA — Division of Drinking and Ground Waters

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
2010 Lead and Copper Rule MR 2 SDWIS / OH8034312 / 5000
2007 Coliform (TCR) MR 31 SDWIS / OH8034312 / 3100
2004 Asbestos MR 4 SDWIS / OH8034312 / 1094
2003 Coliform (TCR) MCL 26 SDWIS / OH8034312 / 3100
2001 Xylenes, Total MR 6 SDWIS / OH8034312 / 2955
2001 1,1,1-Trichloroethane MR 6 SDWIS / OH8034312 / 2981
2001 CHLOROBENZENE MR 6 SDWIS / OH8034312 / 2989
2001 1,2,4-Trichlorobenzene MR 6 SDWIS / OH8034312 / 2378
2001 DICHLOROMETHANE MR 6 SDWIS / OH8034312 / 2964
2001 Vinyl chloride MR 6 SDWIS / OH8034312 / 2976
2001 1,2-Dichloroethane MR 6 SDWIS / OH8034312 / 2980
2001 Tetrachloroethylene MR 6 SDWIS / OH8034312 / 2987
2001 Ethylbenzene MR 6 SDWIS / OH8034312 / 2992
2001 1,1-Dichloroethylene MR 6 SDWIS / OH8034312 / 2977
2001 Trichloroethylene MR 6 SDWIS / OH8034312 / 2984

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 Ohio avg Federal benchmark
Total violations 293 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 26 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 59% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 302 2,651 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,181 regulated public water systems in Ohio.

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: OH8034312) has 293 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 302 people using Groundwater sources.
How many people does ST. JOHNS LUTHERAN SCHOOL serve? ▼
ST. JOHNS LUTHERAN SCHOOL serves 302 people in MARYSVILLE, Ohio. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does ST. JOHNS LUTHERAN SCHOOL have? ▼
ST. JOHNS LUTHERAN SCHOOL has 293 total violations: 26 health-based violations (MCL exceedances or treatment failures), 264 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 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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