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Anchorage, AK · 234,415 people served · EPA data 2021–2026

Tap water quality in Anchorage, Alaska

Anchorage's water systems logged 19 health-based EPA violations in 2021–2026, most recently in 2024 — most often groundwater 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.

BGood
Anchorage water grade: B
Good — our A–F grade from this city's EPA compliance record, relative to Alaska and the nation. How we grade →
Health-based violations, 2021–202619
Groundwater Rule13
Lead And Copper Rule2
Lead And Copper Rule Revisions2
Total Haloacetic Acids (Haa5)1
Moa Municipality Of Anchorage221,351 served
Ow Dimond Estates Trailer Court1,395 served
Southwood Manor Tc1,005 served
Penland Park Mhp993 served
Alaska quality rank#5 / 51 (97.7/100)
Alaska avg hardness100 PPM (moderately hard)
Want to know what's actually in your Anchorage 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

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Anchorage tap water FAQ

Is tap water safe to drink in Anchorage?

Anchorage's systems logged 19 health-based violations in 2021–2026, most commonly groundwater 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 Anchorage's water?

Moa Municipality Of Anchorage (serving about 221,351 people); Ow Dimond Estates Trailer Court (serving about 1,395 people); Southwood Manor Tc (serving about 1,005 people); Penland Park Mhp (serving about 993 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Anchorage?

City-level hardness isn't published in a single federal dataset, but Alaska averages 100 PPM — "moderately hard" on the USGS scale. Your utility's water quality report lists Anchorage'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 Anchorage?

With 19 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 Anchorage 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.