Cascade, CO Radon Levels

Q: What EPA Radon Zone is Cascade in?

Cascade is in El Paso County, EPA Zone 1.

Q: How much does radon mitigation cost in Cascade?

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

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

Cascade, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County El Paso County, CO

Zip Code 80809

Located in El Paso County near Colorado Springs, Cascade sits in the Front Range foothills where granite bedrock and uranium-bearing formations create high radon potential. The mountain community features a mix of older cabin-style homes and newer construction, many built on hillside lots with varying foundation types. Given Colorado's elevated radon levels statewide and limited current testing data for this area, professional radon testing is strongly recommended for all residents.

7.57

pCi/L area average

Above EPA Action Level

El Paso County average: 7.57 pCi/L, based on 7 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Cascade itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Cascade, CO Radon Mitigation

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

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Radon Readings Near Cascade, CO

No homeowner tests have been submitted for Cascade yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Woodland Park	8.4 mi	7.00 pCi/L	1
Divide	12.9 mi	14.00 pCi/L	2
Colorado Springs	13.2 mi	5.50 pCi/L	2
Monument	15.5 mi	6.33 pCi/L	3
Florissant	18.5 mi	13.00 pCi/L	2
Peyton	23.2 mi	4.00 pCi/L	1
Sedalia	29.1 mi	20.00 pCi/L	1
Penrose	32.1 mi	17.00 pCi/L	1

El Paso County Radon Profile

Because of its underlying geology, El Paso 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 5 cities in El Paso County average 7.57 pCi/L across 7 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 El Paso County home regardless of zone or a neighbor's results.

Radon FAQ for Cascade, CO

What EPA Radon Zone is Cascade in?

Cascade and the 80809 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.

Why are radon readings shown from areas near Cascade?

No homeowner radon tests have been submitted for Cascade yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the El Paso County average—are the best available indicator of local conditions until Cascade homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Cascade?

Radon mitigation in Cascade 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 Cascade?

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.