How hard is the water in Steamboat Springs, CO?

Tap water hardness
64mg/L
3.7gpg
Moderately hard

Reported by Steamboat Springs City of · October 2025

CO typical
97 mg/L
EPA health violations since 2016
0
Softener for 3 people
24k grain
Data
Utility report

Steamboat Springs water measures 64 mg/L (3.7 gpg) of hardness, moderately hard by USGS standards. The number comes from Steamboat Springs City of, dated October 2025.

Steamboat Springs on the hardness scale, with nearby cities
060120180240300360+CO typical 97Longmont: 20 mg/LLongmont 20Loveland: 28 mg/LLoveland 28Louisville: 32 mg/LLouisville 32Boulder: 41 mg/LBoulder 41Fort Collins: 42 mg/LFort Collins 42Lafayette: 91 mg/LLafayette 91Silverthorne: 112 mg/LSilverthorne 112Aspen: 168 mg/LAspen 168Wellington: 218 mg/LWellington 218Eagle: 226 mg/LEagle 226Steamboat Springs 64mg/L as calcium carbonate060120180240300360+CO 97Loveland: 28 mg/LLoveland 28Boulder: 41 mg/LBoulder 41Fort Collins: 42 mg/LFort Colli. 42Silverthorne: 112 mg/LSilverthor. 112Aspen: 168 mg/LAspen 168Eagle: 226 mg/LEagle 22664 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

At 64 mg/L, Steamboat Springs is 33 mg/L below the typical Colorado figure of 97. Of the 10 nearest cities we track, 5 have softer water and 5 have harder. The range nearby runs from 20 mg/L in Longmont to 226 in Eagle.

What 64 mg/L means at home

You may see faint white spots on glasses and shower doors after the water dries.

Scale builds up slowly. A kettle or coffee maker needs descaling now and then, maybe every few months.

Hardness is not a health problem, and EPA sets no limit for it. It is a matter of scale and soap.

What to do about it

Optional. Plenty of households at this level live with it and descale the kettle now and then.

Water softener

Worth a look if spots on glass bother you, or if your tankless water heater manual asks for softer water.

Carbon filter

Improves taste and removes chlorine. It leaves calcium and magnesium in place.

Softener size for Steamboat Springs

3 people × 75 gallons a day × 3.7 gpg = 837 grains a day. A 24,000-grain unit regenerates about every 28 days.

Size it for your household

EPA record for Steamboat Springs's water system

Steamboat Springs City of · PWSID CO0154725

No health-based violations since 2016

Serves about 9,950 people from surface water.

Health-based
0
Monitoring or reporting
4
Open now
1

Health-based means a contaminant above its legal limit or a missed treatment step. Monitoring and reporting violations are late or missing tests and notices. Source: EPA ECHO, 2026Q3 export, violations with periods starting 2016 or later. Full EPA record.

Questions

Is Steamboat Springs water hard?

Somewhat. It measures about 64 mg/L (3.7 grains per gallon), which the USGS classes as moderately hard.

What is the water hardness in Steamboat Springs in grains per gallon?

About 3.7 gpg. One grain per gallon equals 17.1 mg/L, so 64 mg/L divided by 17.1 gives 3.7.

What size water softener do I need in Steamboat Springs?

For 3 people using 75 gallons each per day, 3.7 gpg works out to about 837 grains a day. A 24,000-grain softener covers that with a regeneration about every 28 days.

Has the Steamboat Springs water system had EPA violations?

EPA records show no health-based violations for Steamboat Springs City of since 2016. There were also 4 monitoring or reporting violations, which are about late or missing tests and notices.

Nearby cities

All 64 cities in Colorado

Hardness data: TapWaterData US Water Hardness (utility report, October 14, 2025), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.