Where does the water in 81240 come from?

Water for zip code 81240 in Penrose, 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 81240

Penrose, Colorado · Fremont County

265 PPM

15.5 GPG

Very 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

1 USGS-backed source

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 81240

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
Canon City City Of CO0122100	surface water	285 PPM Very Hard	34,800	Estimated - Nearby Data
Park Center Wd CO0122600	surface water	180 PPM Hard	4,000	Estimated - County Avg
Penrose Wd CO0122700	surface water	150 PPM Moderately Hard	3,149	High Confidence - USGS Monitoring

Canon City City Of

CO0122100

Very Hard

285 PPMsurface water34,800 servedEstimated - Nearby Data

Park Center Wd

CO0122600

Hard

180 PPMsurface water4,000 servedEstimated - County Avg

Penrose Wd

CO0122700

Moderately Hard

150 PPMsurface water3,149 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

81221274 81226257 8092675 81244274 8086091 81007120 8081394 8090675 8081776 8091375 81212274 81005120

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

Methodology Data sources 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 Penrose, CO (81240).

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Frequently Asked Questions

Is the water hard in Penrose, CO (81240)?

The average water hardness in 81240 is 265 PPM (15.5 GPG), which is classified as very hard.

Do I need a water softener in 81240?

With hardness of 265 PPM, a water softener is recommended for homes in 81240.

Is hard water in 81240 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 81240?

Zip code 81240 in Penrose, Colorado is served by 3 water systems.