City water profile

Water hardness in Sterling

Find official utility reports, understand hardness, and check the water system serving your home in Sterling, Alaska.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 2

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Sterling Moose River Manor

AK2249099 · Groundwater · 33 people served system-wide

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

2 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.0021 mg/L
Action level: 0.015 mg/L

14% of the listed benchmark

Monitoring period: Jan 1, 2018 to Dec 31, 2020

Violation history (42)

Imported violation history for Sterling Moose River Manor
Rule	Status	Period
Consumer Confidence Rule	Unaddressed	Oct 1, 2025
Consumer Confidence Rule	Unaddressed	Jul 1, 2025
Lead and Copper Rule	Resolved	Feb 26, 2025 to Mar 5, 2025
Lead and Copper Rule	Resolved	Feb 16, 2025 to Mar 4, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Unaddressed	Oct 17, 2024
LEAD AND COPPER RULE REVISIONS	Unaddressed	Oct 17, 2024
Groundwater RuleHealth-based	Unaddressed	Feb 9, 2024
Arsenic	Resolved	Jan 1, 2024 to Mar 31, 2024
Lead and Copper Rule	Resolved	Jan 1, 2024 to May 22, 2025
Arsenic	Resolved	Oct 1, 2023 to Dec 31, 2023
Arsenic	Resolved	Jul 1, 2023 to Sep 30, 2023
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Sep 30, 2023
Arsenic	Resolved	Apr 1, 2023 to Jun 30, 2023
Arsenic	Resolved	Jan 1, 2023 to Mar 31, 2023
cis-1,2-Dichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
Xylenes, Total	Archived	Jan 1, 2023 to Dec 31, 2025
DICHLOROMETHANE	Archived	Jan 1, 2023 to Dec 31, 2025
p-Dichlorobenzene	Archived	Jan 1, 2023 to Dec 31, 2025
1,1-Dichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
trans-1,2-Dichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
1,2-Dichloropropane	Archived	Jan 1, 2023 to Dec 31, 2025
1,1,2-Trichloroethane	Archived	Jan 1, 2023 to Dec 31, 2025
Benzene	Archived	Jan 1, 2023 to Dec 31, 2025
Toluene	Archived	Jan 1, 2023 to Dec 31, 2025
Styrene	Archived	Jan 1, 2023 to Dec 31, 2025
1,2-Dichloroethane	Archived	Jan 1, 2023 to Dec 31, 2025
o-Dichlorobenzene	Archived	Jan 1, 2023 to Dec 31, 2025
Nitrate	Resolved	Jan 1, 2023 to Dec 31, 2023
Carbon tetrachloride	Archived	Jan 1, 2023 to Dec 31, 2025
Ethylbenzene	Archived	Jan 1, 2023 to Dec 31, 2025
1,1,1-Trichloroethane	Archived	Jan 1, 2023 to Dec 31, 2025
Tetrachloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
1,2,4-Trichlorobenzene	Archived	Jan 1, 2023 to Dec 31, 2025
CHLOROBENZENE	Archived	Jan 1, 2023 to Dec 31, 2025
Vinyl chloride	Archived	Jan 1, 2023 to Dec 31, 2025
Trichloroethylene	Archived	Jan 1, 2023 to Dec 31, 2025
Arsenic	Resolved	Oct 1, 2022 to Dec 31, 2022
Revised Total Coliform Rule	Resolved	Oct 1, 2022 to Oct 31, 2022
Revised Total Coliform Rule	Resolved	Feb 1, 2022 to Feb 28, 2022
Revised Total Coliform Rule	Resolved	Jan 1, 2022 to Jan 31, 2022
Revised Total Coliform Rule	Resolved	Oct 1, 2021 to Oct 31, 2021
Revised Total Coliform Rule	Resolved	Mar 1, 2021 to Mar 31, 2021

City summary

What the indexed records say

Sterling has 1 published ZIP profile across Kenai Peninsula 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

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

0 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: — miles
Profiles with evidence: 0/1

Confidence labels

High: 0Moderate: 0Low: 0

Observation window: unavailable to unavailable.

ZIP directory

Water reports in Sterling

Open a ZIP for site-level provenance and measurements.

ZIP code

99672

No estimate

—

Nearest site: — mi
Confidence: —

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Alaska communities

Anchor Point

Kenai Peninsula Borough

— No median

Nikiski

Kenai Peninsula Borough

— No median

Tyonek

Kenai Peninsula Borough

— No median

Kaktovik

North Slope Borough

55 PPM median

Nuiqsut

North Slope Borough

49 PPM median

Adak

Aleutians West Census Area

— No median

Search all 131 Alaska cities →

Questions people ask

About water in Sterling

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

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.