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Water Hardness in 84532

Moab, Utah · Grand County

198 PPM
11.5 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 7 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 7 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
7 USGS-backed sources
7 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 84532

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.

7 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.
Moab City
UTAH10003
Hard
194 PPMgroundwater9,000 servedHigh Confidence — USGS Monitoring
Grand Water And Sewer Agency
UTAH10023
Hard
194 PPMgroundwater4,099 servedHigh Confidence — USGS Monitoring
San Juan Spanish Valley Ssd
UTAH19080
Hard
194 PPMgroundwater550 servedHigh Confidence — USGS Monitoring
Sorrel River Ranch Water
UTAH10033
Very Hard
387 PPMsurface water260 servedHigh Confidence — USGS Monitoring
Arches National Park Hq
UTAH10021
Hard
194 PPMgroundwater116 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

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.

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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 Moab, UT (84532).

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Frequently Asked Questions

Is the water hard in Moab, UT (84532)?

The average water hardness in 84532 is 198 PPM (11.5 GPG), which is classified as hard.

Do I need a water softener in 84532?

With hardness of 198 PPM, a water softener is recommended for homes in 84532.

Is hard water in 84532 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 84532?

Zip code 84532 in Moab, Utah is served by 7 water systems.

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