B73/100
CITY OF AUSTIN WATER & WASTEWATER — Water Quality Report 2026
Serving 1,115,323 people · Texas
Water Source
Surface Water
County
—
System ID
TX2270001
Violations
7
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: February 1, 2022 – February 28, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About CITY OF AUSTIN WATER & WASTEWATER
Is CITY OF AUSTIN WATER & WASTEWATER water safe to drink?
CITY OF AUSTIN WATER & WASTEWATER water receives a grade of B (73/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF AUSTIN WATER & WASTEWATER detected?
76 contaminants were tested in CITY OF AUSTIN WATER & WASTEWATER's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF AUSTIN WATER & WASTEWATER have any EPA violations?
Yes, CITY OF AUSTIN WATER & WASTEWATER has 7 EPA violation(s) on record, with the most recent in 2022. Violation types include TT, Other, MR. 5 are health-based violations.
How many people does CITY OF AUSTIN WATER & WASTEWATER serve?
CITY OF AUSTIN WATER & WASTEWATER serves approximately 1,115,323 people, Texas.
What type of water does CITY OF AUSTIN WATER & WASTEWATER provide?
CITY OF AUSTIN WATER & WASTEWATER sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX2270001.
How does CITY OF AUSTIN WATER & WASTEWATER compare to other utilities in Texas?
CITY OF AUSTIN WATER & WASTEWATER scores 73/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.