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MOUNT STERLING VILLAGE PWS

PWS ID: OH4900812 · MOUNT STERLING, Ohio 43143

MOUNT STERLING VILLAGE PWS serves 2,059 people in MOUNT STERLING, Ohio using Groundwater water sources. It has 253 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MOUNT STERLING VILLAGE PWS

MOUNT STERLING VILLAGE PWS is a local-owned community water system that delivers drinking water to 2,059 residents in MOUNT STERLING, Ohio (Madison County) through 829 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 253 total violations for this system , of which 8 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 220 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 12 violations (Other). 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. MOUNT STERLING VILLAGE PWS's 253 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
2,059
Total Violations
253
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
829
County
Madison
School/Daycare
No
MCL Violations
8
Monitoring Violations
220
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 12 2022
TTHM MR 11 2019
Total Haloacetic Acids (HAA5) MR 11 2019
Coliform (TCR) MCL 8 1993
Lead and Copper Rule MR 8 2018
Radium-228 MR 8 2022
BHC-GAMMA MR 5 1991
Toxaphene MR 5 1991
Methoxychlor MR 5 1991
2,4,5-TP MR 5 1991
2,4-D MR 5 1991
Endrin MR 5 1991
Simazine MR 4 1996
Atrazine MR 4 1996
LASSO MR 4 1996
Cadmium MR 4 2003
Arsenic MR 4 2003
Nickel MR 4 2003
Mercury MR 4 2003
CYANIDE MR 4 2003
Chromium MR 4 2003
Beryllium, Total MR 4 2003
Antimony, Total MR 4 2003
Xylenes, Total MR 4 2003
1,1,1-Trichloroethane MR 4 2003
1,2-Dichloropropane MR 4 2003
Benzene MR 4 2003
1,2,4-Trichlorobenzene MR 4 2003
Vinyl chloride MR 4 2003
1,2-Dichloroethane MR 4 2003

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 MOUNT STERLING VILLAGE PWS.

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 OH4900812 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 MOUNT STERLING VILLAGE PWS 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
2022 Consumer Confidence Rule Other 12 SDWIS / OH4900812 / 7000
2022 Radium-228 MR 8 SDWIS / OH4900812 / 4030
2021 Public Notice Other 2 SDWIS / OH4900812 / 7500
2019 TTHM MR 11 SDWIS / OH4900812 / 2950
2019 Total Haloacetic Acids (HAA5) MR 11 SDWIS / OH4900812 / 2456
2018 Lead and Copper Rule MR 8 SDWIS / OH4900812 / 5000
2003 Cadmium MR 4 SDWIS / OH4900812 / 1015
2003 Arsenic MR 4 SDWIS / OH4900812 / 1005
2003 Nickel MR 4 SDWIS / OH4900812 / 1036
2003 Mercury MR 4 SDWIS / OH4900812 / 1035
2003 CYANIDE MR 4 SDWIS / OH4900812 / 1024
2003 Chromium MR 4 SDWIS / OH4900812 / 1020
2003 Beryllium, Total MR 4 SDWIS / OH4900812 / 1075
2003 Antimony, Total MR 4 SDWIS / OH4900812 / 1074
2003 Xylenes, Total MR 4 SDWIS / OH4900812 / 2955

How MOUNT STERLING VILLAGE PWS Compares

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

Metric MOUNT STERLING VILLAGE PWS Ohio avg Federal benchmark
Total violations 253 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 2,059 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 MOUNT STERLING VILLAGE PWS water safe to drink? ▼
MOUNT STERLING VILLAGE PWS (PWS ID: OH4900812) has 253 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,059 people using Groundwater sources.
How many people does MOUNT STERLING VILLAGE PWS serve? ▼
MOUNT STERLING VILLAGE PWS serves 2,059 people in MOUNT STERLING, Ohio. It is a Local-owned system using Groundwater water sources with 829 service connections.
What type of violations does MOUNT STERLING VILLAGE PWS have? ▼
MOUNT STERLING VILLAGE PWS has 253 total violations: 8 health-based violations (MCL exceedances or treatment failures), 220 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOUNT STERLING VILLAGE PWS water? ▼
No PFAS testing data is available for MOUNT STERLING VILLAGE PWS under the EPA's UCMR5 monitoring program.
What water source does MOUNT STERLING VILLAGE PWS use? ▼
MOUNT STERLING VILLAGE PWS 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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