San Antonio Water System
Surface water · Local · PO BOX 2449
This page shows official EPA compliance records for San Antonio Water System, including PFAS monitoring data, violation history, contaminant test results, treatment options, and certified testing lab links for Texas.
San Antonio Water System is a surface water system serving 2,113,151 residents in San Antonio, Texas (PWSID: TX0150018). No open health-based violations are recorded in the EPA federal database for this system. EPA UCMR 5 monitoring returned 2378 PFAS records for this utility.
At a Glance
TX0150018Intelligence Summary · San Antonio Water System
No Concerns Detected
Water meets all safety standards with no detected exceedances.
No open health violations on record. This utility has no active EPA violations involving contaminants exceeding legal limits. Always verify with your utility's Consumer Confidence Report for annual test results.
Utility Overview
Population Served
2,113,151
Source Type
Surface water
Ownership
Local
PWSID
TX0150018
Detected Contaminants
CCR data ingestion in progress
Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.
View on EPA ECHOViolation History
Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.
Monitoring & Reporting — Nitrate
Resolved3 additional monitoring/reporting failures
Required test submissions not filed with EPA — no contaminant data recorded. These are administrative failures, not health violations.
EPA UCMR 5 monitoring (2023–2025) returned 2378 PFAS records for San Antonio Water System. Detection is not a regulatory violation, but indicates PFAS compounds were measured during the unregulated contaminant monitoring cycle. Review the full records and compare detected levels against current EPA MCLs.
What should I do next?
PFAS monitoring records are on file for San Antonio Water System. Review the detected compounds, compare them with current regulatory guidance, and check whether your home filter is certified for PFAS reduction.
San Antonio Water System — Water Quality FAQs
Explore This Water System
San Antonio water quality overview
All utilities serving San Antonio, violations, and PFAS records
Texas drinking water report
State-level utility directory, open violations, and PFAS data
PFAS monitoring records for this system
Official EPA UCMR 5 sampling data — 2378 records
Official EPA contamination & sampling records
Violation history, PFAS detections, and official source links
Certified water testing labs in Texas
State-certified labs for PFAS, lead, nitrate, and bacteria testing
Water treatment options
Reverse osmosis, activated carbon, and whole-home filtration guides
About this data
Data sources, update cadence, and accuracy notes
CITY OF HOUSTON
Nearby water system — compare violations and PFAS records
DALLAS WATER UTILITY
Nearby water system — compare violations and PFAS records
Common Questions About This Water System
Does San Antonio Water System have PFAS monitoring records?
2378 official EPA UCMR 5 PFAS sampling records on file
Are there EPA violations on record for San Antonio Water System?
No health-based violations recorded in EPA SDWIS
How do I get my water tested in Texas?
State-certified labs for PFAS, lead, nitrate, and bacteria testing
What water treatment options address these contaminants?
Reverse osmosis, activated carbon, and whole-home filtration guides with NSF certification data
Which other utilities serve San Antonio?
All EPA-tracked water systems serving San Antonio, TX
Where can I find official sampling records for this system?
Official EPA SDWIS violations and UCMR 5 PFAS sampling records with source links
Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.
Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data
Related Pages
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
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At a Glance
Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.
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Data Sources