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Community Water System · PWS OH1301411

Williamsburg Village PWS

Williamsburg, Ohio 45176 - drinking water served from surface water sources to 2,490 people, tracked in EPA SDWIS and UCMR5.

2,490
People served
104
EPA violations
23
Health-based
Untested
UCMR5 result

The verdict

EPA records 104 drinking-water violations at Williamsburg Village PWS, 22% of them health-based - above the Ohio per-system average.

104
Total EPA violations on record
22%
Health-based (MCL / treatment failure)
2,490
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Williamsburg Village PWS

Williamsburg Village PWS is a local-owned community water system that delivers drinking water to 2,490 residents in Williamsburg, Ohio (Clermont County) through 1,086 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 104 total violations for this system , of which 23 (22%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 72 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 Coliform (TCR), recorded in 12 violations (MCL, 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. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%).

Williamsburg Village PWS's 104 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
2,490
Total Violations
104
Health-Based Violations
23
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,086
County
Clermont
School/Daycare
No
MCL Violations
16
Monitoring Violations
72
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 1993
Surface Water Treatment Rule TT 7 1994
Arsenic MR 5 1991
Chromium MR 5 1991
Fluoride MR 5 1991
Nitrate MR 5 1991
Cadmium MR 5 1991
Mercury MR 5 1991
Selenium MR 5 1991
Barium MR 5 1991
Lead and Copper Rule MR 4 1996
Surface Water Treatment Rule MR 4 1994
Total Haloacetic Acids (HAA5) MR 4 2005
TTHM MCL 4 2021
Consumer Confidence Rule Other 4 2022
Coliform (TCR) MR 4 2004
Atrazine MR 3 1999
LASSO MR 3 1999
Simazine MR 3 1999
Endrin MR 1 1988
BHC-GAMMA MR 1 1988
Methoxychlor MR 1 1988
2,4-D MR 1 1988
2,4,5-TP MR 1 1988
Toxaphene MR 1 1988
TTHM MR 1 2005

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 Williamsburg 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 OH1301411 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 Williamsburg 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 4 SDWIS / OH1301411 / 7000
2021 TTHM MCL 4 SDWIS / OH1301411 / 2950
2005 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OH1301411 / 2456
2005 TTHM MR 1 SDWIS / OH1301411 / 2950
2004 Coliform (TCR) MR 4 SDWIS / OH1301411 / 3100
1999 Atrazine MR 3 SDWIS / OH1301411 / 2050
1999 LASSO MR 3 SDWIS / OH1301411 / 2051
1999 Simazine MR 3 SDWIS / OH1301411 / 2037
1996 Lead and Copper Rule MR 4 SDWIS / OH1301411 / 5000
1994 Surface Water Treatment Rule TT 7 SDWIS / OH1301411 / 0200
1994 Surface Water Treatment Rule MR 4 SDWIS / OH1301411 / 0200
1993 Coliform (TCR) MCL 12 SDWIS / OH1301411 / 3100
1991 Arsenic MR 5 SDWIS / OH1301411 / 1005
1991 Chromium MR 5 SDWIS / OH1301411 / 1020
1991 Fluoride MR 5 SDWIS / OH1301411 / 1025

How Williamsburg Village PWS Compares

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

Metric Williamsburg Village PWS Ohio avg Federal benchmark
Total violations 104 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 23 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 2,490 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 Williamsburg Village PWS water safe to drink? ▼
Williamsburg Village PWS (PWS ID: OH1301411) has 104 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,490 people using Surface Water sources.
How many people does Williamsburg Village PWS serve? ▼
Williamsburg Village PWS serves 2,490 people in Williamsburg, Ohio. It is a Local-owned system using Surface Water water sources with 1,086 service connections.
What type of violations does Williamsburg Village PWS have? ▼
Williamsburg Village PWS has 104 total violations: 23 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Williamsburg Village PWS water? ▼
No PFAS testing data is available for Williamsburg Village PWS under the EPA's UCMR5 monitoring program.
What water source does Williamsburg Village PWS use? ▼
Williamsburg Village PWS 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.
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.

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.