Alliance Regional Water Authority
EPA ID: TX1050197 · 0 people served · 2 ZIP codes
Zero EPA violations over five years — Alliance Regional Water Authority has kept tap water compliance clean for its full service population of 0.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Demographics
The Alliance Regional Water Authority serves a community with a median household income of $55,478 and an estimated 87,775 residents across its service area.
🌊 Where Does Your Water Come From?
Alliance Regional Water Authority's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Hays County, Texas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded.
Comparable Water Systems
Similar-sized systems in Texas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Alliance Regional Water Authority (EPA ID: TX1050197) is a community water system in Texas that serves approximately 0 people from surface water sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Alliance Regional Water Authority (TX1050197) on EPA.gov.
Frequently Asked Questions
Is Alliance Regional Water Authority water safe to drink?
Based on EPA records, Alliance Regional Water Authority has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Alliance Regional Water Authority serve?
Alliance Regional Water Authority serves approximately 0 people across 2 ZIP codes in Texas.
Where does Alliance Regional Water Authority get its water?
The primary water source is surface water.