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Community Water System · PWS TX2460013

City of Liberty Hill

Liberty Hill, Texas 78642-1920 - drinking water served from surface water sources to 8,777 people, tracked in EPA SDWIS and UCMR5.

8,777
People served
136
EPA violations
18
Health-based
Untested
UCMR5 result

The verdict

EPA records 136 drinking-water violations at City of Liberty Hill, 13% of them health-based - above the Texas per-system average.

136
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
8,777
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: City of Liberty Hill

City of Liberty Hill is a local-owned community water system that delivers drinking water to 8,777 residents in Liberty Hill, Texas (Williamson County) through 1,697 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 136 total violations for this system , of which 18 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 90 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Chlorine, recorded in 49 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 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 101.5 violations. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

City of Liberty Hill's 136 violations sit above the Texas 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
8,777
Total Violations
136
Health-Based Violations
18
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,697
County
Williamson
School/Daycare
No
MCL Violations
18
Monitoring Violations
90
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 49 2025
Lead and Copper Rule MR 36 2019
Public Notice Other 24 2022
Combined Radium (-226 and -228) MCL 11 2021
Gross Alpha, Excl. Radon and U MCL 7 2021
Nitrite MR 4 2014
Consumer Confidence Rule Other 4 2016
Nitrate MR 1 2011

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 City of Liberty Hill.

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 TX2460013 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects City of Liberty Hill under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

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
2025 Chlorine MR 49 SDWIS / TX2460013 / 0999
2022 Public Notice Other 24 SDWIS / TX2460013 / 7500
2021 Combined Radium (-226 and -228) MCL 11 SDWIS / TX2460013 / 4010
2021 Gross Alpha, Excl. Radon and U MCL 7 SDWIS / TX2460013 / 4000
2019 Lead and Copper Rule MR 36 SDWIS / TX2460013 / 5000
2016 Consumer Confidence Rule Other 4 SDWIS / TX2460013 / 7000
2014 Nitrite MR 4 SDWIS / TX2460013 / 1041
2011 Nitrate MR 1 SDWIS / TX2460013 / 1040

How City of Liberty Hill Compares

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

Metric City of Liberty Hill Texas avg Federal benchmark
Total violations 136 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,777 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

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 City of Liberty Hill water safe to drink? ▼
City of Liberty Hill (PWS ID: TX2460013) has 136 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 8,777 people using Surface Water sources.
How many people does City of Liberty Hill serve? ▼
City of Liberty Hill serves 8,777 people in Liberty Hill, Texas. It is a Local-owned system using Surface Water water sources with 1,697 service connections.
What type of violations does City of Liberty Hill have? ▼
City of Liberty Hill has 136 total violations: 18 health-based violations (MCL exceedances or treatment failures), 90 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in City of Liberty Hill water? ▼
No PFAS testing data is available for City of Liberty Hill under the EPA's UCMR5 monitoring program.
What water source does City of Liberty Hill use? ▼
City of Liberty Hill 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.