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BARNESVILLE

PWS ID: OH0700011 · BARNESVILLE, Ohio 43713

BARNESVILLE serves 6,500 people in BARNESVILLE, Ohio using Surface Water water sources. It has 70 recorded EPA violations, including 14 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: BARNESVILLE

BARNESVILLE is a private-owned community water system that delivers drinking water to 6,500 residents in BARNESVILLE, Ohio (Belmont County) through 2,368 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 70 total violations for this system , of which 14 (20%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 49 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 17 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 0.0081 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. BARNESVILLE's 70 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
6,500
Total Violations
70
Health-Based Violations
14
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
2,368
County
Belmont
School/Daycare
No
MCL Violations
0
Monitoring Violations
49
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 17 1994
Surface Water Treatment Rule TT 8 1993
Lead and Copper Rule MR 8 1993
Coliform (TCR) MR 7 2014
Interim Enhanced Surface Water Treatment Rule TT 6 2008
Interim Enhanced Surface Water Treatment Rule MR 3 2008
Consumer Confidence Rule Other 1 2018
Arsenic MR 1 1985
Barium MR 1 1985
Cadmium MR 1 1985
Chromium MR 1 1985
Fluoride MR 1 1985
Mercury MR 1 1985
Nitrate MR 1 1985
Selenium MR 1 1985
Endrin MR 1 1988
2,4,5-TP MR 1 1988
Toxaphene MR 1 1988
2,4-D MR 1 1988
Methoxychlor MR 1 1988
BHC-GAMMA MR 1 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeS 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 8/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
8:2 FTS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/14/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/14/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/14/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/14/2023 <9 µg/L 9 µg/L Not Detected
PFEESA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/14/2023 0.0069 µg/L 0.004 µg/L Detected
PFPeA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 8/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/8/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFDA 5/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/8/2023 0.0054 µg/L 0.004 µg/L Detected
PFOS 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/8/2023 <0.004 µg/L 0.004 µg/L Not Detected

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 BARNESVILLE.

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 OH0700011 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 BARNESVILLE 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
2018 Consumer Confidence Rule Other 1 SDWIS / OH0700011 / 7000
2014 Coliform (TCR) MR 7 SDWIS / OH0700011 / 3100
2008 Interim Enhanced Surface Water Treatment Rule TT 6 SDWIS / OH0700011 / 0300
2008 Interim Enhanced Surface Water Treatment Rule MR 3 SDWIS / OH0700011 / 0300
1994 Surface Water Treatment Rule MR 17 SDWIS / OH0700011 / 0200
1993 Surface Water Treatment Rule TT 8 SDWIS / OH0700011 / 0200
1993 Lead and Copper Rule MR 8 SDWIS / OH0700011 / 5000
1988 Endrin MR 1 SDWIS / OH0700011 / 2005
1988 2,4,5-TP MR 1 SDWIS / OH0700011 / 2110
1988 Toxaphene MR 1 SDWIS / OH0700011 / 2020
1988 2,4-D MR 1 SDWIS / OH0700011 / 2105
1988 Methoxychlor MR 1 SDWIS / OH0700011 / 2015
1988 BHC-GAMMA MR 1 SDWIS / OH0700011 / 2010
1985 Arsenic MR 1 SDWIS / OH0700011 / 1005
1985 Barium MR 1 SDWIS / OH0700011 / 1010

How BARNESVILLE Compares

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

Metric BARNESVILLE Ohio avg Federal benchmark
Total violations 70 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 59% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 6,500 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 BARNESVILLE water safe to drink? ▼
BARNESVILLE (PWS ID: OH0700011) has 70 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 6,500 people using Surface Water sources.
How many people does BARNESVILLE serve? ▼
BARNESVILLE serves 6,500 people in BARNESVILLE, Ohio. It is a Private-owned system using Surface Water water sources with 2,368 service connections.
What type of violations does BARNESVILLE have? ▼
BARNESVILLE has 70 total violations: 14 health-based violations (MCL exceedances or treatment failures), 49 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BARNESVILLE water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in BARNESVILLE's water supply: PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does BARNESVILLE use? ▼
BARNESVILLE uses Surface Water 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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