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Water Hardness in 99755

Denali National, Alaska · Denali Borough County

114 PPM
6.7 GPG
Slightly Hard
0Soft60120180300+
Estimated — Nearby Data

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

114 PPM
6.7 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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Water Systems Serving 99755

Nearby Zip Codes

Frequently Asked Questions

Is the water hard in Denali National, AK (99755)?

The average water hardness in 99755 is 114 PPM (6.7 GPG), which is classified as slightly hard.

Do I need a water softener in 99755?

At 114 PPM, your water is relatively soft. A water softener is generally not necessary.

How many water systems serve 99755?

Zip code 99755 in Denali National, Alaska is served by 1 water system.

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