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Water Hardness in 81230

Gunnison, Colorado · Gunnison County

167 PPM
9.8 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 4 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 4 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
4 USGS-backed sources
4 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems Serving 81230

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

4 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Gunnison City Of
CO0126325
Moderately Hard
173 PPMgroundwater9,610 servedHigh Confidence — USGS Monitoring
Gunnison County Wsd
CO0126220
Slightly Hard
116 PPMsurface water800 servedHigh Confidence — USGS Monitoring
Antelope Hills Assoc
CO0126117
Slightly Hard
116 PPMsurface water265 servedHigh Confidence — USGS Monitoring
North Valley Subdivision Utility Company
CO0126580
Moderately Hard
173 PPMgroundwater79 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Gunnison, CO (81230).

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Frequently Asked Questions

Is the water hard in Gunnison, CO (81230)?

The average water hardness in 81230 is 167 PPM (9.8 GPG), which is classified as moderately hard.

Do I need a water softener in 81230?

With hardness of 167 PPM, a water softener is worth considering for homes in 81230.

Is hard water in 81230 safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve 81230?

Zip code 81230 in Gunnison, Colorado is served by 4 water systems.

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