San Elizario, TX Water Safety: 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
Throughout San Elizario and across its water systems, EPA compliance data for TX shows above-average performance — violations are minimal, none of the tracked systems have recorded repeated MCL exceedances in recent cycles, and the safety picture has held steady across multiple reporting periods.
How San Elizario Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About San Elizario Water
- Homes built before 1986: 22% — older plumbing may contain lead solder.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 11.83.
Who Supplies Your Water in San Elizario
The structure of water supply in San Elizario, TX is straightforward: one utility provides the bulk of residential service among 1 tracked system, concentrating rate-setting and infrastructure decisions under a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in San Elizario, Texas (population ~13,582), covering 1 community water system serving approximately 59,049 people region-wide.
No EPA violations recorded across any ZIP codes in San Elizario — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for San Elizario: B (73/100)
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
San Elizario water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for San Elizario
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 79849 | B | LOWER VALLEY WATER DISTRICT | 59,049 |
All ZIP Codes in San Elizario
- 79849 [B]
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 San Elizario
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
Housing & Infrastructure in San Elizario
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
A post-1986 majority in San Elizario's housing inventory — median build year 1991 — generally signals lower aggregate plumbing-era lead risk.
Most homes in San Elizario 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 San Elizario Homeowners
What does the elevated remediation share mean for San Elizario homeowners financially? A serious commitment — one that calls for structured planning rather than an ad-hoc response.
At 2.2% of home value, remediation costs in San Elizario represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,500–$3,300. Home values here are 54% below the Texas average.
Lead Exposure Risk for Children in San Elizario
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.
Reading San Elizario's aggregate samples next to its housing-age figures yields a quiet baseline. Lead rests under the federal action benchmark in citywide monitoring, and only 22% of homes were built before the federal ban on solder containing lead. Households with kids — the population for whom CDC guidance places particular weight on minimizing exposure — can confirm in-home conditions with a draw-test kit, with a certified lead-removal filter available through certified retail channels if results warrant it.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in San Elizario
Over the multi-decade window covered by the National Flood Insurance Program, San Elizario has accumulated 1 claim — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
San Elizario has a moderate flood history with 1 FEMA claims. 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>$2,300</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 San Elizario, TX