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Community Water System · PWS OH0501111

Le-Ax Regional Water District PWS

Athens, Ohio 45701 - drinking water served from groundwater sources to 19,311 people, tracked in EPA SDWIS and UCMR5.

19,311
People served
74
EPA violations
3
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 74 drinking-water violations at Le-Ax Regional Water District PWS, 4% of them health-based - above the Ohio per-system average.

74
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
19,311
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Le-Ax Regional Water District PWS

Le-Ax Regional Water District PWS is a private-owned community water system that delivers drinking water to 19,311 residents in Athens, Ohio (Athens County) through 7,191 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 74 total violations for this system , of which 3 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Arsenic, recorded in 10 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%).

Le-Ax Regional Water District PWS's 74 violations sit above 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
19,311
Total Violations
74
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
7,191
County
Athens
School/Daycare
No
MCL Violations
0
Monitoring Violations
61
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 10 1996
Fluoride MR 9 1996
Barium MR 6 1990
Nitrate MR 6 1990
Mercury MR 6 1990
Cadmium MR 6 1990
Chromium MR 6 1990
Selenium MR 6 1990
Consumer Confidence Rule Other 3 2024
Surface Water Treatment Rule TT 3 1993
Methoxychlor MR 1 1988
Toxaphene MR 1 1988
2,4,5-TP MR 1 1988
Endrin MR 1 1988
2,4-D MR 1 1988
BHC-GAMMA MR 1 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
ADONA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/18/2023 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFBA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 1/10/2024 <6.00 ppt 6.00 ppt Not Detected
PFHxS 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 1/10/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 1/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 1/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 1/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 1/10/2024 <8.00 ppt 8.00 ppt Not Detected
PFHpA 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 1/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 1/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 1/10/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 1/10/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 1/10/2024 <20.00 ppt 20.00 ppt Not Detected
PFBS 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 1/10/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeA 1/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 1/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFEESA 1/10/2024 <3.00 ppt 3.00 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 Le-Ax Regional Water District 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 OH0501111 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 Le-Ax Regional Water District 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
2024 Consumer Confidence Rule Other 3 SDWIS / OH0501111 / 7000
1996 Arsenic MR 10 SDWIS / OH0501111 / 1005
1996 Fluoride MR 9 SDWIS / OH0501111 / 1025
1993 Surface Water Treatment Rule TT 3 SDWIS / OH0501111 / 0200
1990 Barium MR 6 SDWIS / OH0501111 / 1010
1990 Nitrate MR 6 SDWIS / OH0501111 / 1040
1990 Mercury MR 6 SDWIS / OH0501111 / 1035
1990 Cadmium MR 6 SDWIS / OH0501111 / 1015
1990 Chromium MR 6 SDWIS / OH0501111 / 1020
1990 Selenium MR 6 SDWIS / OH0501111 / 1045
1988 Methoxychlor MR 1 SDWIS / OH0501111 / 2015
1988 Toxaphene MR 1 SDWIS / OH0501111 / 2020
1988 2,4,5-TP MR 1 SDWIS / OH0501111 / 2110
1988 Endrin MR 1 SDWIS / OH0501111 / 2005
1988 2,4-D MR 1 SDWIS / OH0501111 / 2105

How Le-Ax Regional Water District PWS Compares

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

Metric Le-Ax Regional Water District PWS Ohio avg Federal benchmark
Total violations 74 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 19,311 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 Le-Ax Regional Water District PWS water safe to drink?
Le-Ax Regional Water District PWS (PWS ID: OH0501111) has 74 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 19,311 people using Groundwater sources.
How many people does Le-Ax Regional Water District PWS serve?
Le-Ax Regional Water District PWS serves 19,311 people in Athens, Ohio. It is a Private-owned system using Groundwater water sources with 7,191 service connections.
What type of violations does Le-Ax Regional Water District PWS have?
Le-Ax Regional Water District PWS has 74 total violations: 3 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Le-Ax Regional Water District PWS water?
No. Le-Ax Regional Water District PWS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Le-Ax Regional Water District PWS use?
Le-Ax Regional Water District 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.