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Davenport, IA · 148,295 people served · EPA data 2021–2026

Tap water quality in Davenport, Iowa

Davenport's water systems logged zero health-based EPA violations in 2021–2026 — water that met every federal health standard on record. Day-to-day quality still varies with pipes and plumbing, but the municipal record here is clean.

BGood
Davenport water grade: B
Good — our A–F grade from this city's EPA compliance record, relative to Iowa and the nation. How we grade →
Health-based violations, 2021–20260
Federal health standardsall met
Iowa-American Wtr Co-Davenport147,720 served
Ponderosa Park Mhp320 served
Mt Joy Mobile Home Park173 served
Knollcrest Hoa42 served
Iowa quality rank#33 / 51 (81.7/100)
Iowa avg hardness130 PPM (hard)
Want to know what's actually in your Davenport 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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Davenport tap water FAQ

Is tap water safe to drink in Davenport?

Davenport's community water systems reported no health-based EPA violations in 2021–2026, meaning the water met federal health standards throughout. Home plumbing (especially pre-1986 lead solder or service lines) can still affect what reaches your glass — a home test settles it.

Who supplies Davenport's water?

Iowa-American Wtr Co-Davenport (serving about 147,720 people); Ponderosa Park Mhp (serving about 320 people); Mt Joy Mobile Home Park (serving about 173 people); Knollcrest Hoa (serving about 42 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Davenport?

City-level hardness isn't published in a single federal dataset, but Iowa averages 130 PPM — "hard" on the USGS scale. Your utility's water quality report lists Davenport'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 Davenport?

The municipal record is clean, so filtering in Davenport is about taste, hardness and your own plumbing rather than compliance. A carbon filter fixes chlorine taste; test first if your home predates 1986 (lead solder era).

Want to know what's actually in your Davenport 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.