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Water Hardness in 99747

Kaktovik, Alaska · North Slope Borough County

109 PPM
6.4 GPG
Slightly Hard
0Soft60120180300+
Estimated — County Avg

Based on EPA and USGS water quality monitoring data from environmental sources (wells, streams, aquifers) near your water system. Actual tap water may differ after treatment. Dataset updated March 9, 2026. See how we calculate this estimate; for precise results, test your water at home.

Our Estimate

109 PPM
6.4 GPG
Slightly Hard

Weighted average from 1 water system.

What This Means For You

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Kaktovik, AK (99747).

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Water Systems Serving 99747

Nearby Zip Codes

Frequently Asked Questions

Is the water hard in Kaktovik, AK (99747)?

The average water hardness in 99747 is 109 PPM (6.4 GPG), which is classified as slightly hard.

Do I need a water softener in 99747?

At 109 PPM, your water is relatively soft. A water softener is generally not necessary.

How many water systems serve 99747?

Zip code 99747 in Kaktovik, Alaska is served by 1 water system.

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