Where does the water in 81649 come from?

Water for zip code 81649 in Red Cliff, Colorado is provided by 3 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 81649

Red Cliff, Colorado · Eagle County

188 PPM

11 GPG

Hard

0Soft60120180300+

High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 3 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 3 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

2 USGS-backed sources

3 matched systems total for this ZIP; 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 Serving 81649

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.

3 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.

Water System	Source	Hardness	Pop. Served	Data Source
Eagle River Wsd CO0119802	surface water	202 PPM Hard	51,515	Estimated — County Avg
Gypsum Town Of CO0119329	surface water	147 PPM Moderately Hard	15,272	High Confidence — USGS Monitoring
Red Cliff Town Of CO0119671	surface water	97 PPM Slightly Hard	469	High Confidence — USGS Monitoring

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

Red Cliff Town Of

CO0119671

Slightly Hard

97 PPMsurface water469 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

8044390 81645187 81657189 81620189 80420150 8042487 80461107 80498104 8164244 81632189 80435104 8044890

What This Means For You

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

Hard Water - Treatment Recommended

Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.

Recommended Products

Salt-Based Water Softener

Our PickAFWFilters Fleck 5600SXT 48K Also GreatWhirlpool WHES40E 40K Also GreatAFWFilters 64K Grain Also GreatAFWFilters Iron Pro 2 64K Also GreatSpringWell Filter + Softener Combo

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Shower Head Filter

Our PickWeddell Duo Also GreatAquaBliss SF100 Also GreatSprite Pure 7-Setting Also GreatAqua Earth 20-Stage

Water Softener Salt

Our PickMorton Clean & Protect Also GreatDiamond Crystal Bright & Soft

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 Red Cliff, CO (81649).

Submit Your Data

Frequently Asked Questions

Is the water hard in Red Cliff, CO (81649)?

The average water hardness in 81649 is 188 PPM (11 GPG), which is classified as hard.

Do I need a water softener in 81649?

With hardness of 188 PPM, a water softener is recommended for homes in 81649.

Is hard water in 81649 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 81649?

Zip code 81649 in Red Cliff, Colorado is served by 3 water systems.