City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Fairbanks, Alaska.
Median indexed hardness
—
One indexed ZIP
Range —–— PPM
City summary
Fairbanks has 1 published ZIP profile across Fairbanks North Star Borough. No qualifying nearby hardness observation is available for the city.
Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.
Hardness distribution
0 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: unavailable to unavailable.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID AK2310730
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2310900
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2310683
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2314653
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2310926
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2312156
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2310714
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2310277
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2315586
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID AK2312813
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
5 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Lead and Copper Rule | AK2310895 | Feb 14, 2026 | Resolved |
| Groundwater Rule | AK2310277 | Feb 6, 2026 | Resolved |
| Lead and Copper Rule | AK2310926 | Nov 13, 2025 | Resolved |
| Groundwater Rule | AK2310895 | Nov 13, 2025 | Unaddressed · health-based |
| Groundwater Rule | AK2310895 | Nov 13, 2025 | Unaddressed · health-based |
| Groundwater Rule | AK2310895 | Nov 13, 2025 | Unaddressed · health-based |
| Revised Total Coliform Rule | AK2310895 | Nov 7, 2025 | Unaddressed · health-based |
| Revised Total Coliform Rule | AK2310895 | Aug 1, 2025 | Resolved |
| Groundwater Rule | AK2310926 | Jul 13, 2025 | Unaddressed · health-based |
| Lead and Copper Rule | AK2310926 | Jul 1, 2025 | Resolved |
Practical next steps
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Questions people ask
The index does not have a qualifying hardness estimate for this city.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.