Liberty Hill, TX: 2 Health Violations — 88/100 (2026)
1 ZIP code · 6 water systems · Updated 2026-06-03
Within Liberty Hill, safety indicators for tap water remain above the TX median — documented violations are infrequent and the city's compliance record sits in the upper tier.
How Liberty Hill Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Liberty Hill Water
- Your city's water systems recorded 13 violations in the past 5 years.
- Average lead level: 0.0021 mg/L.
- Homes built before 1986: 10% — older plumbing may contain lead solder.
- Estimated remediation: $3,400 per household.
- CDC health risk index: 10.49.
Who Supplies Your Water in Liberty Hill
Liberty Hill, TX draws its residential water from 3 separate providers among the 6 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.
Overview
We track water quality and home safety data for 1 ZIP code in Liberty Hill, Texas (population ~24,146), covering 6 community water systems serving approximately 303,679 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 2 health-based violations documented.
Home Safety Score
Average Home Safety Score for Liberty Hill: A (88/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Liberty Hill water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0021 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | 10 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Revised Total Coliform Rule | Microbiological | 4 | 1 |
| Gross Alpha | Radionuclides | 2 | 1 |
| Gross Beta | Radionuclides | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 78642 | A | 13 | 2 | City of Liberty Hill |
All ZIP Codes in Liberty Hill
- 78642 [A] — 13 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Liberty Hill
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Liberty Hill Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Liberty Hill
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Why does housing age matter for water safety? Homes built before 1986 may have lead-soldered copper plumbing joints — a practice banned that year. Liberty Hill's median build year of 2018 places much of the city's housing in the post-ban era, reducing that specific risk pathway for most residents.
Most homes in Liberty Hill were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Liberty Hill Homeowners
When remediation costs are measured against Liberty Hill home values, the resulting ratio is in the low tier — addressing documented water and safety issues here claims only a minor fraction of typical equity, and most homeowners are in a position where the financial commitment is straightforward rather than a material burden on their household budget.
Remediation costs in Liberty Hill are relatively low compared to home values. The $2,350–$5,400 estimated range is a small fraction of median property value. Home values are 113% above the Texas average.
Lead Exposure Risk for Children in Liberty Hill
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Pre-rule stock in Liberty Hill accounts for 10% of the inventory — a modest fraction — and citywide samples land safely beneath the federal action mark.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Liberty Hill
Flood exposure in Liberty Hill is meaningful by NFIP measures — 38 claims on record and 100% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.
Liberty Hill has a moderate flood history with 38 FEMA claims averaging $77,656 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$3,400</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Liberty Hill, TX