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Water Hardness in Castle Dale, UT

Utah · 1 zip codes · 8 matched water systems

1125 PPM
65.8 GPG
Very Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20268 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 8 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
8 USGS-backed sources
8 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. 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 in Castle Dale

These systems are matched to Castle Dale, UT. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

8 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.
Huntington - Castle Valley Ssd
UTAH08006
Very Hard
1221 PPMgroundwater2,129 servedHigh Confidence — USGS Monitoring
Castledale
UTAH08001
Very Hard
1070 PPMsurface water1,700 servedHigh Confidence — USGS Monitoring
Ferron - Castle Valley Ssd
UTAH08004
Very Hard
1070 PPMsurface water1,660 servedHigh Confidence — USGS Monitoring
Orangeville
UTAH08008
Very Hard
1070 PPMsurface water1,420 servedHigh Confidence — USGS Monitoring
Cleveland Water System
UTAH08039
Very Hard
1221 PPMgroundwater509 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Castle Dale, UT

What This Means For You

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

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

Recommended Products

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

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 Castle Dale, UT.

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Frequently Asked Questions

How hard is the water in Castle Dale, UT?

The citywide weighted average water hardness in Castle Dale, UT is 1125 PPM (65.8 GPG), classified as very hard. This is based on 8 matched water systems.

Do I need a water softener in Castle Dale, UT?

With a citywide average hardness of 1125 PPM, a water softener is recommended for homes in Castle Dale. Confirm your tap reading before sizing equipment.

Is hard water in Castle Dale, UT 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 Castle Dale, UT?

Castle Dale, Utah is served by 8 matched water systems across 1 zip code.

Learn More About Your Water