Calhan, CO Radon Mitigation and Testing

Q: What is the average radon level in Calhan, CO?

Based on 1 user-submitted tests, the average radon level is 19.00 pCi/L.

Q: What EPA Radon Zone is Calhan in?

Calhan is in El Paso County, EPA Zone 1.

Q: How much does radon mitigation cost in Calhan?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 19.00 pCi/L

El Paso County

EPA Zone 1

1 user test

Residents of Calhan in El Paso County face significant radon concerns, with an average reading of 19.0 pCi/L that dramatically exceeds the EPA action level of 4.0 pCi/L. This small community on the eastern Colorado plains sits over granite bedrock and uranium-bearing formations that contribute to elevated radon potential throughout the region. Homes in zip code 80808 should prioritize professional radon testing and mitigation given these elevated readings.

19.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Calhan, CO. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Calhan, CO Radon Mitigation

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

Calhan, CO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Calhan, Colorado Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
19 pCi/L	Calhan, CO	21-50 Years	Full Basement	Mar 2024

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

Calhan Radon Facts

Key details about the radon risk profile for Calhan and the 80808 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

El Paso County, CO

Zip Code

80808

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

19.00 pCi/L

User Tests Submitted

Calhan and the 80808 zip code are located in El Paso County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Calhan, CO

What is the average radon level in Calhan, CO?

Based on 1 user-submitted test, the average radon level in Calhan is 19.00 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 Calhan in?

Calhan and the 80808 zip code are in El Paso 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 Calhan?

Radon mitigation in Calhan 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 Calhan?

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.

Most Active Radon Markets in Colorado

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Fairplay	12.00 pCi/L	9
Crested Butte	8.56 pCi/L	9
Denver	6.22 pCi/L	9
Montrose	9.25 pCi/L	8
Gunnison	7.38 pCi/L	8
Buena Vista	12.57 pCi/L	7
Pueblo	10.67 pCi/L	6
Grand Junction	8.17 pCi/L	6
Bayfield	6.00 pCi/L	6
Canon City	10.80 pCi/L	5
Aurora	7.40 pCi/L	5
Windsor	7.00 pCi/L	5
Telluride	6.80 pCi/L	5
Parker	5.40 pCi/L	5
Salida	15.50 pCi/L	4
Johnstown	9.50 pCi/L	4
Granby	9.00 pCi/L	4
Longmont	8.00 pCi/L	4
Edwards	6.75 pCi/L	4
Mancos	6.00 pCi/L	4