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Mobile, AL · 279,000 people served · EPA data 2021–2026

Tap water quality in Mobile, Alabama

Mobile's water system logged 1 health-based EPA violation in 2021–2026, most recently in 2023 — a modest record, with tthm the issue found. For context, Alabama's systems average 2.2 health-based violations each.

C-Fair
Mobile water grade: C-
Fair — our A–F grade from this city's EPA compliance record, relative to Alabama and the nation. How we grade →
Health-based violations, 2021–20261
Tthm1
Mobile, Bd. Of W&S Comm. Of The City Of279,000 served
Alabama quality rank#22 / 51 (84.1/100)
Alabama avg hardness150 PPM (hard)
Want to know what's actually in your Mobile 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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Mobile tap water FAQ

Is tap water safe to drink in Mobile?

Mobile's systems logged 1 health-based violation 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 Mobile's water?

Mobile, Bd. Of W&S Comm. Of The City Of (serving about 279,000 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Mobile?

City-level hardness isn't published in a single federal dataset, but Alabama averages 150 PPM — "hard" on the USGS scale. Your utility's water quality report lists Mobile'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 Mobile?

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 Mobile 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.