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MOUNT PLEASANT PWS

PWS ID: OH4101712 · MT PLEASANT, Ohio 43939

MOUNT PLEASANT PWS serves 450 people in MT PLEASANT, Ohio using Groundwater water sources. It has 374 recorded EPA violations, including 230 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MOUNT PLEASANT PWS

MOUNT PLEASANT PWS is a local-owned community water system that delivers drinking water to 450 residents in MT PLEASANT, Ohio (Jefferson County) through 260 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 374 total violations for this system , of which 230 (61%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 121 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 Surface Water Treatment Rule, recorded in 212 violations (TT, 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 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 PLEASANT PWS's 374 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
450
Total Violations
374
Health-Based Violations
230
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
260
County
Jefferson
School/Daycare
No
MCL Violations
14
Monitoring Violations
121
Treatment Tech Violations
216

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 212 1999
Coliform (TCR) MR 44 2012
Nitrate MR 39 1997
Coliform (TCR) MCL 14 1997
Lead and Copper Rule MR 10 2020
Consumer Confidence Rule Other 9 2022
Lead and Copper Rule TT 4 2020
Gross Alpha, Excl. Radon and U MR 4 1985
Pentachlorophenol MR 3 1997
Arsenic MR 3 1986
Barium MR 3 1986
Cadmium MR 3 1986
Fluoride MR 3 1986
Mercury MR 3 1986
Chromium MR 3 1986
Selenium MR 3 1986

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 PLEASANT 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 OH4101712 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 PLEASANT 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 9 SDWIS / OH4101712 / 7000
2020 Lead and Copper Rule MR 10 SDWIS / OH4101712 / 5000
2020 Lead and Copper Rule TT 4 SDWIS / OH4101712 / 5000
2012 Coliform (TCR) MR 44 SDWIS / OH4101712 / 3100
1999 Surface Water Treatment Rule TT 212 SDWIS / OH4101712 / 0200
1997 Nitrate MR 39 SDWIS / OH4101712 / 1040
1997 Coliform (TCR) MCL 14 SDWIS / OH4101712 / 3100
1997 Pentachlorophenol MR 3 SDWIS / OH4101712 / 2326
1986 Arsenic MR 3 SDWIS / OH4101712 / 1005
1986 Barium MR 3 SDWIS / OH4101712 / 1010
1986 Cadmium MR 3 SDWIS / OH4101712 / 1015
1986 Fluoride MR 3 SDWIS / OH4101712 / 1025
1986 Mercury MR 3 SDWIS / OH4101712 / 1035
1986 Chromium MR 3 SDWIS / OH4101712 / 1020
1986 Selenium MR 3 SDWIS / OH4101712 / 1045

How MOUNT PLEASANT PWS Compares

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

Metric MOUNT PLEASANT PWS Ohio avg Federal benchmark
Total violations 374 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 230 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 450 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 PLEASANT PWS water safe to drink?
MOUNT PLEASANT PWS (PWS ID: OH4101712) has 374 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 450 people using Groundwater sources.
How many people does MOUNT PLEASANT PWS serve?
MOUNT PLEASANT PWS serves 450 people in MT PLEASANT, Ohio. It is a Local-owned system using Groundwater water sources with 260 service connections.
What type of violations does MOUNT PLEASANT PWS have?
MOUNT PLEASANT PWS has 374 total violations: 230 health-based violations (MCL exceedances or treatment failures), 121 monitoring/reporting violations, and 216 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOUNT PLEASANT PWS water?
No PFAS testing data is available for MOUNT PLEASANT PWS under the EPA's UCMR5 monitoring program.
What water source does MOUNT PLEASANT PWS use?
MOUNT PLEASANT 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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial