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Tulsa, OK · 416,005 people served · EPA data 2021–2026

Tap water quality in Tulsa, Oklahoma

Tulsa's water systems logged 2 health-based EPA violations in 2021–2026, most recently in 2024 — a modest record, with lead and copper rule revisions the issue found. For context, Oklahoma's systems average 3.5 health-based violations each.

D-Poor
Tulsa water grade: D-
Poor — our A–F grade from this city's EPA compliance record, relative to Oklahoma and the nation. How we grade →
Health-based violations, 2021–20262
Lead And Copper Rule Revisions2
Tulsa413,000 served
Water Improvement District #32,475 served
Carriage Village500 served
Country Haven Mhp30 served
Oklahoma quality rank#51 / 51 (72.6/100)
Oklahoma avg hardness210 PPM (very hard)
Want to know what's actually in your Tulsa 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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Tulsa tap water FAQ

Is tap water safe to drink in Tulsa?

Tulsa's systems logged 2 health-based violations 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 Tulsa's water?

Tulsa (serving about 413,000 people); Water Improvement District #3 (serving about 2,475 people); Carriage Village (serving about 500 people); Country Haven Mhp (serving about 30 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Tulsa?

City-level hardness isn't published in a single federal dataset, but Oklahoma averages 210 PPM — "very hard" on the USGS scale. Your utility's water quality report lists Tulsa'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 Tulsa?

With 2 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 Tulsa 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.