Where does the water in 80422 come from?

Water for zip code 80422 in Black Hawk, Colorado 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 80422

Q: Is the water hard in Black Hawk, CO (80422)?

The average water hardness in 80422 is 7 PPM (0.4 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 80422?

At 7 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Black Hawk, Colorado · Gilpin County

7 PPM

0.4 GPG

Soft

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 80422

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
Black Hawk City Of CO0124147	surface water	7 PPM Soft	15,167	Estimated — Nearby Data

Black Hawk City Of

CO0124147

Soft

7 PPMsurface water15,167 servedEstimated — Nearby Data

Nearby Zip Codes

804747 804277 8043652 8046690 8045252 8040390 8048232 8002590 8030290 8043852 8043990 8048190

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Black Hawk, CO (80422).

Submit Your Data

Frequently Asked Questions

Is the water hard in Black Hawk, CO (80422)?

Our estimate for 80422 is 7 PPM (0.4 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 80422?

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

Is hard water in 80422 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 80422?

Zip code 80422 in Black Hawk, Colorado is served by 1 water system.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

10 min read

How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

8 min read