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City water profile

Anchorage water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Anchorage, Alaska.

Median indexed hardness

83PPM

18 indexed ZIPs

Range 83–83 PPM

State comparison
At state median
State hardness rank
#9 of 17
Matched utilities
10
Active health records
0

City summary

What the indexed records say

Anchorage has 18 published ZIP profiles across Anchorage Municipality and Bethel Census Area. The indexed median is 83 PPM, compared with 83 PPM across Alaska.

Among the 17 Alaskacities with an indexed median, Anchorage ranks #9from highest to lowest. Across all 149 state ZIP profiles, available estimates run from 36.7to 199 PPM.

The 83–83 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard2 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

2 of 18 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
74.6 miles
Profiles with evidence
2/18

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Jan 27, 2016 to Feb 3, 2026.

ZIP directory

Water reports in Anchorage

Open a ZIP for site-level provenance and measurements.

ZIP code

99501

No estimate

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Nearest site
— mi
Confidence
—

View full ZIP evidence →

ZIP code

99502

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99503

No estimate

—

Nearest site
— mi
Confidence
—

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ZIP code

99504

No estimate

—

Nearest site
— mi
Confidence
—

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ZIP code

99505

Moderately Hard

83 PPM

Nearest site
74.3 mi
Confidence
Low

View full ZIP evidence →

ZIP code

99506

Moderately Hard

83 PPM

Nearest site
74.6 mi
Confidence
Low

View full ZIP evidence →

ZIP code

99507

No estimate

—

Nearest site
— mi
Confidence
—

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ZIP code

99508

No estimate

—

Nearest site
— mi
Confidence
—

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ZIP code

99513

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99515

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99516

No estimate

—

Nearest site
— mi
Confidence
—

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ZIP code

99517

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99518

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99530

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99540

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99567

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99577

No estimate

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Nearest site
— mi
Confidence
—

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ZIP code

99587

No estimate

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Nearest site
— mi
Confidence
—

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Public water systems

Utilities associated with this city

Moa Municipality Of Anchorage

PWSID AK2210906

Surface water
System population served
221,351
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Ow Dimond Estates Trailer Court

PWSID AK2211075

Groundwater
System population served
1,395
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Southwood Manor Tc

PWSID AK2211677

Groundwater
System population served
1,005
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Penland Park Mhp

PWSID AK2210419

Surface water
System population served
993
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Manoogs Isle Mobile Home Park

PWSID AK2218630

Groundwater
System population served
935
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Glencaren Court

PWSID AK2210689

Groundwater
System population served
828
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Rangeview Tc

PWSID AK2210435

Groundwater
System population served
795
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Valli Vue S/d Water System

PWSID AK2210605

Groundwater
System population served
794
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Mayflower Tc

PWSID AK2211619

Groundwater
System population served
650
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Golden Nugget Rv Park, Malaspina Mhp

PWSID AK2212128

Groundwater
System population served
600
Last reported
Jun 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleAK2210891Mar 1, 2026Archived
Revised Total Coliform RuleAK2210891Feb 1, 2026Archived
Lead and Copper RuleAK2210485Jan 1, 2026Resolved
Lead and Copper RuleAK2213792Jan 1, 2026Unaddressed
Lead and Copper RuleAK2210891Jan 1, 2026Unaddressed
Revised Total Coliform RuleAK2210891Dec 1, 2025Resolved
Revised Total Coliform RuleAK2210891Nov 1, 2025Resolved
Consumer Confidence RuleAK2212819Oct 1, 2025Unaddressed
Revised Total Coliform RuleAK2210891Oct 1, 2025Resolved
ToxapheneAK2210891Oct 1, 2025Archived

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Anchorage

Is the water hard?

The indexed city median is 83 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.