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ST HENRY VILLAGE

PWS ID: OH5401312 · ST HENRY, Ohio 45883

ST HENRY VILLAGE serves 2,596 people in ST HENRY, Ohio using Groundwater water sources. It has 85 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST HENRY VILLAGE

ST HENRY VILLAGE is a local-owned community water system that delivers drinking water to 2,596 residents in ST HENRY, Ohio (Mercer County) through 1,062 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 85 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 81 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Nitrate, recorded in 7 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 HENRY VILLAGE's 85 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
2,596
Total Violations
85
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,062
County
Mercer
School/Daycare
No
MCL Violations
0
Monitoring Violations
81
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 7 1998
Cadmium MR 4 1997
Mercury MR 4 1997
Selenium MR 4 1997
Antimony, Total MR 4 1997
Beryllium, Total MR 4 1997
Thallium, Total MR 4 1997
Arsenic MR 4 1997
Gross Alpha, Excl. Radon and U MR 4 1997
Coliform (TCR) MR 4 1993
Nitrite MR 4 1993
Consumer Confidence Rule Other 4 2020
Barium MR 4 1997
Fluoride MR 4 1997
Chromium MR 4 1997
Nickel MR 4 1997
Endrin MR 3 1992
BHC-GAMMA MR 3 1992
2,4,5-TP MR 3 1992
Toxaphene MR 3 1992
2,4-D MR 3 1992
Methoxychlor MR 3 1992

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 HENRY VILLAGE.

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 OH5401312 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 HENRY VILLAGE 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
2020 Consumer Confidence Rule Other 4 SDWIS / OH5401312 / 7000
1998 Nitrate MR 7 SDWIS / OH5401312 / 1040
1997 Cadmium MR 4 SDWIS / OH5401312 / 1015
1997 Mercury MR 4 SDWIS / OH5401312 / 1035
1997 Selenium MR 4 SDWIS / OH5401312 / 1045
1997 Antimony, Total MR 4 SDWIS / OH5401312 / 1074
1997 Beryllium, Total MR 4 SDWIS / OH5401312 / 1075
1997 Thallium, Total MR 4 SDWIS / OH5401312 / 1085
1997 Arsenic MR 4 SDWIS / OH5401312 / 1005
1997 Gross Alpha, Excl. Radon and U MR 4 SDWIS / OH5401312 / 4000
1997 Barium MR 4 SDWIS / OH5401312 / 1010
1997 Fluoride MR 4 SDWIS / OH5401312 / 1025
1997 Chromium MR 4 SDWIS / OH5401312 / 1020
1997 Nickel MR 4 SDWIS / OH5401312 / 1036
1993 Coliform (TCR) MR 4 SDWIS / OH5401312 / 3100

How ST HENRY VILLAGE Compares

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

Metric ST HENRY VILLAGE Ohio avg Federal benchmark
Total violations 85 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 2,596 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 HENRY VILLAGE water safe to drink? ▼
ST HENRY VILLAGE (PWS ID: OH5401312) has 85 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,596 people using Groundwater sources.
How many people does ST HENRY VILLAGE serve? ▼
ST HENRY VILLAGE serves 2,596 people in ST HENRY, Ohio. It is a Local-owned system using Groundwater water sources with 1,062 service connections.
What type of violations does ST HENRY VILLAGE have? ▼
ST HENRY VILLAGE has 85 total violations: 0 health-based violations (MCL exceedances or treatment failures), 81 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST HENRY VILLAGE water? ▼
No PFAS testing data is available for ST HENRY VILLAGE under the EPA's UCMR5 monitoring program.
What water source does ST HENRY VILLAGE use? ▼
ST HENRY VILLAGE uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial