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Water Hardness in Basalt, CO

Colorado · 1 zip codes · 10 matched water systems

237 PPM
13.9 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 202610 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 10 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
9 USGS-backed sources
10 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 Basalt

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

10 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.
Eagle River Wsd
CO0119802
Hard
202 PPMsurface water51,515 servedEstimated — County Avg
Gypsum Town Of
CO0119329
Moderately Hard
147 PPMsurface water15,272 servedHigh Confidence — USGS Monitoring
Mid Valley Md
CO0119508
Very Hard
853 PPMgroundwater4,588 servedHigh Confidence — USGS Monitoring
Basalt Town Of
CO0119134
Hard
227 PPMsurface water2,357 servedHigh Confidence — USGS Monitoring
Mountain Valley Mhp
CO0123519
Very Hard
853 PPMgroundwater338 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Basalt, CO

What This Means For You

Recommendations are based on the displayed 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 Basalt, CO.

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Frequently Asked Questions

How hard is the water in Basalt, CO?

The citywide weighted average water hardness in Basalt, CO is 237 PPM (13.9 GPG), classified as hard. This is based on 10 matched water systems.

Do I need a water softener in Basalt, CO?

With a citywide average hardness of 237 PPM, a water softener is recommended for homes in Basalt. Confirm your tap reading before sizing equipment.

Is hard water in Basalt, CO 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 Basalt, CO?

Basalt, Colorado is served by 10 matched water systems across 1 zip code.

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