Is Liberty Hill, TX Tap Water Safe to Drink?
Graded C-, with 41 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
59.4/100
waterverge.com Liberty Hill, TX — Water Quality Report
Liberty Hill's drinking water received a grade of C- (59.4 out of 100), indicating poor water quality. The city's 3 water systems serve approximately 10,074 residents using purchased surface water.
Lead levels were measured at 2.1 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 91 violations on record, including 6 health-based violations. 41 remain unresolved.
What to know about Liberty Hill's water
Liberty Hill ranks #704 out of 1067 cities in Texas for water quality, placing it below average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
The system has seen 17 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Liberty Hill, TX water safe to drink?
Liberty Hill's drinking water has significant quality concerns based on EPA testing data. With a grade of C- (59.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 10,074 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Liberty Hill
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Liberty Hill's water quality assessment. Grade: C- (59.4/100).
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4879). Flood event — may have impacted local water infrastructure.
Contaminants: Chlorine.
Contaminants: Public Notice.
Federal disaster declaration (FEMA DR-3294). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Liberty Hill's water supply.
Well within EPA limits.
Violation history
Liberty Hill's water system has 91 total violations on record, including 6 health-based violations. 41 remain unresolved. 17 violations were issued in the last 5 years.
Flood & environmental risk
Williamson County has experienced 3 federally declared disasters since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include N Fk San Gabriel Rv At Fm 243 Nr Briggs, N Fk San Gabriel Rv At Reagan Blvd Nr Leander, S Fk San Gabriel Rv At Sh 1869 Nr Liberty Hill, Berry Ck At Fm 970 Nr Florence, Ubc Dam 4 Nr Cedar Park.
Where does Liberty Hill's water come from?
Liberty Hill's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 10,074 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include N Fk San Gabriel Rv At Fm 243 Nr Briggs (river), N Fk San Gabriel Rv At Reagan Blvd Nr Leander (river), S Fk San Gabriel Rv At Sh 1869 Nr Liberty Hill (river), Berry Ck At Fm 970 Nr Florence (river), Ubc Dam 4 Nr Cedar Park (lake).
What Liberty Hill residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Liberty Hill's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Liberty Hill's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Liberty Hill
Industrial polluters nearby
Reported releases to surface water by facilities near Liberty Hill, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CENTEX MATERIALS - GEORGETOWN RMX GEORGETOWN, TX78633 | — | — | 4.9 mi |
RONALD REAGAN CBP GEORGETOWN, TX78633 | — | — | 4.9 mi |
SEWARD PLANT LIBERTY HILL, TX78642 | — | — | 1.3 mi |
TXI-LEANDER READY MIX LEANDER, TX78641 | — | — | 5.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtWilliamson County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Williamson County has experienced 3 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.1 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Liberty Hill compares by contaminant
Explore where Liberty Hill ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Liberty Hill's water comes from
Liberty Hill's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 10,074 people through 3 water systems.
Water bodies near Liberty Hill
Liberty Hill is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Liberty Hill
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF LIBERTY HILL | TX2460013 | 8,777 | SWP |
| DURHAM PARK WSC | TX2460038 | 1,251 | GW |
| LIBERTY GREENLINE | TX2460162 | 46 | GW |
How Liberty Hill compares
Full Texas rankings →Liberty Hill's score of 59.4/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Texas rankings →About Liberty Hill, TX
Learn more about your water
Guides and resources related to Liberty Hill's water quality findings.
Explore water quality across Williamson
Frequently asked questions
Is Liberty Hill, TX tap water safe to drink?
Liberty Hill's water quality earned a grade of C- (59.4/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #704 out of 1067 cities tested in Texas.
What contaminants are in Liberty Hill's water?
Lead was measured at 2.1 ppb (90th percentile). 91 violations are on record.
How is Liberty Hill's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Liberty Hill?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Liberty Hill's water come from?
Liberty Hill's water is sourced from Purchased surface water. The city has 3 water systems serving approximately 10,074 residents.
What health violations has Liberty Hill's water system had?
Liberty Hill has 6 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 41 violations remain unresolved.
How does Liberty Hill's water compare to other cities?
Liberty Hill ranks #704 out of 1067 cities in Texas (better than 34% of state cities) and #12179 out of 15744 cities nationally (23th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.