Tap water quality in Austin, Texas
Austin's water systems logged 192 health-based EPA violations in 2021–2026, most recently in 2025 — most often tthm. Health-based violations mean a federal limit or treatment standard was exceeded; check the systems below and your utility's annual report for specifics.
Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.
Test your water at homeWe may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.
Austin tap water FAQ
Is tap water safe to drink in Austin?
Austin's systems logged 192 health-based violations in 2021–2026, most commonly tthm. A violation is a red flag for a period of time, not a permanent condition — your utility's current Consumer Confidence Report shows today's status, and a certified home test shows what's at your tap.
Who supplies Austin's water?
City Of Austin Water & Wastewater (serving about 1,115,323 people); Travis County Wcid 17 (serving about 45,165 people); Paseo Del Este Mud 1 (serving about 36,773 people); West Travis County Public Utility Agency (serving about 35,664 people). Data: EPA Safe Drinking Water Information System, July 2026.
How hard is the water in Austin?
City-level hardness isn't published in a single federal dataset, but Texas averages 268 PPM — "very hard" on the USGS scale. Your utility's water quality report lists Austin's exact hardness, or a $10 test strip tells you in a minute. If it comes back over 120 PPM, see our water softener guidance in the purification calculator.
Do I need a water filter in Austin?
With 192 health-based violations on record in 2021–2026, a certified filter is reasonable insurance here: reverse osmosis ($150–$1,300 installed, Angi 2026) covers lead, nitrates and PFAS at the tap. Test first ($50–$200) so you buy for what's actually present.
Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.
Test your water at homeWe may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.