Home / Tap Water Quality / Texas / Arlington
Arlington, TX · 414,216 people served · EPA data 2021–2026

Tap water quality in Arlington, Texas

Arlington's water systems logged 1 health-based EPA violation in 2021–2026, most recently in 2024 — a modest record, with lead and copper rule revisions the issue found. For context, Texas's systems average 2.6 health-based violations each.

C-Fair
Arlington water grade: C-
Fair — our A–F grade from this city's EPA compliance record, relative to Texas and the nation. How we grade →
Health-based violations, 2021–20261
Lead And Copper Rule Revisions1
City Of Arlington413,955 served
Austin Aqua System261 served
Tra Tarrant County Water Project0 served
Texas quality rank#42 / 51 (78.1/100)
Texas avg hardness268 PPM (very hard)
Want to know what's actually in your Arlington water?

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 home

We may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.

Arlington tap water FAQ

Is tap water safe to drink in Arlington?

Arlington's systems logged 1 health-based violation in 2021–2026, most commonly lead and copper rule revisions. 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 Arlington's water?

City Of Arlington (serving about 413,955 people); Austin Aqua System (serving about 261 people); Tra Tarrant County Water Project (serving about 0 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Arlington?

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 Arlington'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 Arlington?

With 1 health-based violation 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.

Want to know what's actually in your Arlington water?

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 home

We may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.