Where does the water in 82421 come from?

Water for zip code 82421 in Deaver, Wyoming is provided by 1 water system. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 82421

Q: Is the water hard in Deaver, WY (82421)?

The average water hardness in 82421 is 214 PPM (12.5 GPG), which is classified as hard. A water softener is recommended to protect your plumbing and appliances.

Q: Do I need a water softener in 82421?

With hardness of 214 PPM, a water softener is recommended for homes in 82421. Hard water can cause scale buildup in pipes and appliances, spotty dishes, and dry skin.

Deaver, Wyoming · Big Horn County

214 PPM

12.5 GPG

Hard

0Soft60120180300+

Estimated - Nearby Data

Dataset updated March 9, 2026Matched to 1 water systemTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 1 matched water system. 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 estimated source

This ZIP reading needs local confirmation before equipment sizing or purchase decisions.

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 82421

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.

1 water system

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
Deaver Municipal Water System WY5600016	surface water	214 PPM Hard	176	Estimated - Nearby Data

Deaver Municipal Water System

WY5600016

Hard

214 PPMsurface water176 servedEstimated - Nearby Data

Nearby Zip Codes

8242337 82412214 82420678 8244034 59014759 82431295 8243541

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 Deaver, WY (82421).

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Frequently Asked Questions

Is the water hard in Deaver, WY (82421)?

Our estimate for 82421 is 214 PPM (12.5 GPG), but it is based on nearby, county, or state-level data rather than a direct treated tap-water report for this exact location. Confirm with your utility or a home test.

Do I need a water softener in 82421?

Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.

Is hard water in 82421 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 82421?

Zip code 82421 in Deaver, Wyoming is served by 1 water system.