Alliance Regional Water Authority 1b
EPA ID: TX0280027 · 0 people served · 2 ZIP codes
In the most recent five-year monitoring window, Alliance Regional Water Authority 1b posted zero EPA violations serving 0 residents.
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 1b 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 1b's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
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 1b (EPA ID: TX0280027) is a community water system in Texas that serves approximately 0 people from groundwater 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 1b (TX0280027) on EPA.gov.
Frequently Asked Questions
Is Alliance Regional Water Authority 1b water safe to drink?
Based on EPA records, Alliance Regional Water Authority 1b has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Alliance Regional Water Authority 1b serve?
Alliance Regional Water Authority 1b serves approximately 0 people across 2 ZIP codes in Texas.
Where does Alliance Regional Water Authority 1b get its water?
The primary water source is groundwater.