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Pittsburgh, PA · 801,168 people served · EPA data 2021–2026

Tap water quality in Pittsburgh, Pennsylvania

Pittsburgh's water systems logged 18 health-based EPA violations in 2021–2026, most recently in 2024 — most often surface water treatment rule. Health-based violations mean a federal limit or treatment standard was exceeded; check the systems below and your utility's annual report for specifics.

DPoor
Pittsburgh water grade: D
Poor — our A–F grade from this city's EPA compliance record, relative to Pennsylvania and the nation. How we grade →
Health-based violations, 2021–202618
Surface Water Treatment Rule16
Revised Total Coliform Rule2
Pittsburgh Water & Sewer Auth520,000 served
West View Water Authority200,000 served
Plum Boro Muni Auth27,500 served
Fox Chapel Auth18,500 served
Pennsylvania quality rank#50 / 51 (75.9/100)
Pennsylvania avg hardness120 PPM (moderately hard)
Want to know what's actually in your Pittsburgh 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.

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Pittsburgh tap water FAQ

Is tap water safe to drink in Pittsburgh?

Pittsburgh's systems logged 18 health-based violations in 2021–2026, most commonly surface water treatment rule. 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 Pittsburgh's water?

Pittsburgh Water & Sewer Auth (serving about 520,000 people); West View Water Authority (serving about 200,000 people); Plum Boro Muni Auth (serving about 27,500 people); Fox Chapel Auth (serving about 18,500 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Pittsburgh?

City-level hardness isn't published in a single federal dataset, but Pennsylvania averages 120 PPM — "moderately hard" on the USGS scale. Your utility's water quality report lists Pittsburgh'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 Pittsburgh?

With 18 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.

Want to know what's actually in your Pittsburgh 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.