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Community Water System · PWS OH2301912

Fairfield County Utilities PWS

Lancaster, Ohio 43130 - drinking water served from groundwater sources to 15,486 people, tracked in EPA SDWIS and UCMR5.

15,486
People served
4
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 4 drinking-water violations at Fairfield County Utilities PWS - below the Ohio per-system average.

4
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
15,486
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fairfield County Utilities PWS

Fairfield County Utilities PWS is a local-owned community water system that delivers drinking water to 15,486 residents in Lancaster, Ohio (Fairfield County) through 5,317 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 4 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 2 monitoring and reporting violations are on file. The most recent violation on record dates to 1988.

The most frequently cited contaminant at this system is Gross Alpha, Excl. Radon and U, recorded in 2 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%).

Fairfield County Utilities PWS's 4 violations sit below the Ohio average.

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
15,486
Total Violations
4
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,317
County
Fairfield
School/Daycare
No
MCL Violations
0
Monitoring Violations
2
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Gross Alpha, Excl. Radon and U MR 2 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 9/29/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/29/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/29/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/29/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/29/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/29/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/29/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/29/2023 <2.00 ppt 2.00 ppt Not Detected
PFMPA 9/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 9/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 9/29/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/29/2023 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 9/29/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 9/29/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/29/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/29/2023 <7.00 ppt 7.00 ppt Not Detected
PFPeS 3/4/2024 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 3/4/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 3/4/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 3/4/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 3/4/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 3/4/2024 <20.00 ppt 20.00 ppt Not Detected
PFMPA 3/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 3/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 3/4/2024 <6.00 ppt 6.00 ppt Not Detected
PFNA 3/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 3/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 3/4/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeA 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 3/4/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 3/4/2024 <5.00 ppt 5.00 ppt 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 Fairfield County Utilities 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 OH2301912 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 Fairfield County Utilities 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
1988 Gross Alpha, Excl. Radon and U MR 2 SDWIS / OH2301912 / 4000

How Fairfield County Utilities PWS Compares

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

Metric Fairfield County Utilities PWS Ohio avg Federal benchmark
Total violations 4 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 15,486 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Fairfield County Utilities PWS water safe to drink?
Fairfield County Utilities PWS (PWS ID: OH2301912) has 4 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 15,486 people using Groundwater sources.
How many people does Fairfield County Utilities PWS serve?
Fairfield County Utilities PWS serves 15,486 people in Lancaster, Ohio. It is a Local-owned system using Groundwater water sources with 5,317 service connections.
What type of violations does Fairfield County Utilities PWS have?
Fairfield County Utilities PWS has 4 total violations: 0 health-based violations (MCL exceedances or treatment failures), 2 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fairfield County Utilities PWS water?
No. Fairfield County Utilities PWS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Fairfield County Utilities PWS use?
Fairfield County Utilities 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.
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.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.