Call For A Free Quote: 1-800-299-3578 (toll free) | 303-337-6610 (local)

Black Hawk, CO Radon Levels

Check local Black Hawk radon levels and find certified testing and mitigation professionals to keep your home safe


Black Hawk, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Gilpin County, CO
Zip Code 80422
Avg. User Level 13.00 pCi/L
User Tests 4

Situated in Gilpin County within the Denver Metro area, Black Hawk shows concerning radon levels with an average reading of 15.33 pCi/L from recent testing. This level significantly exceeds the EPA action threshold of 4.0 pCi/L, reflecting the high radon potential of Colorado's mountainous terrain and uranium-rich geology. Homes in zip code 80422 should prioritize immediate radon testing and mitigation if elevated levels are confirmed.

13.00
pCi/L average
Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Black Hawk, CO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Black Hawk, CO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Black Hawk?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Gilpin County Pros
1-800-299-3578 303-337-6610 (local) Toll-free · Mon–Fri 8am–6pm ET

Black Hawk, CO Radon Levels

User-submitted radon test readings from homes in the Black Hawk area.

Radon LevelCityHome AgeFoundation
20 pCi/L Black Hawk, CO 21-50 Years
6 pCi/L Black Hawk, CO 0-20 Years Partial Basement

Have a radon test result for Black Hawk? Submit your reading to help other homeowners.

Radon Readings Near Black Hawk, CO

Compare radon levels in Black Hawk with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Golden 6.5 mi 9.00 pCi/L 2
Idaho Springs 8.4 mi 4.00 pCi/L 1
Evergreen 14.3 mi 10.00 pCi/L 1
Boulder 18.1 mi 12.00 pCi/L 1
Arvada 19.3 mi 5.00 pCi/L 2
Morrison 21.3 mi 5.00 pCi/L 3
Conifer 22.1 mi 9.00 pCi/L 3
Broomfield 23.1 mi 5.00 pCi/L 1

Gilpin County Radon Profile

Because of its underlying geology, Gilpin County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 2 cities in Gilpin County average 13.00 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Gilpin County home regardless of zone or a neighbor's results.

Radon FAQ for Black Hawk, CO

What is the average radon level in Black Hawk, CO?
Based on 4 user-submitted tests, the average radon level in Black Hawk is 13.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Black Hawk in?
Black Hawk and the 80422 zip code are in Gilpin County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Black Hawk?
Radon mitigation in Black Hawk typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Black Hawk?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.