Parshall, CO Radon Levels

Q: What EPA Radon Zone is Parshall in?

Parshall is in Grand County, EPA Zone 1.

Q: How much does radon mitigation cost in Parshall?

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

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

Parshall, CO Radon Facts

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

County Grand County, CO

Zip Code 80468

Positioned in Grand County within Colorado's Rocky Mountain region, Parshall sits at high elevation where granite bedrock and thin mountain soils typically influence radon levels differently than lower-elevation areas. While specific testing data for zip code 80468 is limited, Colorado's variable geology and the prevalence of homes with walkout basements built into slopes warrant careful attention to radon. Mountain homeowners should test regardless of elevation, as radon can concentrate in tightly sealed mountain homes.

11.00

pCi/L area average

Above EPA Action Level

Grand County average: 11.00 pCi/L, based on 8 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Parshall 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+

Parshall, 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 Parshall?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Grand County Pros

1-800-299-3578 303-337-6610 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Parshall, CO

No homeowner tests have been submitted for Parshall 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
Granby	9.6 mi	9.00 pCi/L	4
Silverthorne	14.7 mi	10.00 pCi/L	3
Kremmling	17.7 mi	20.00 pCi/L	2
Grand Lake	22.6 mi	6.00 pCi/L	2
Vail	24.2 mi	6.00 pCi/L	1
Dillon	25.6 mi	8.50 pCi/L	2
Idaho Springs	30.1 mi	4.00 pCi/L	1
Breckenridge	33.3 mi	8.00 pCi/L	1

Grand County Radon Profile

Because of its underlying geology, Grand 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 3 cities in Grand County average 11.00 pCi/L across 8 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 Grand County home regardless of zone or a neighbor's results.

Radon FAQ for Parshall, CO

What EPA Radon Zone is Parshall in?

Parshall and the 80468 zip code are in Grand 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 Parshall?

No homeowner radon tests have been submitted for Parshall yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Grand County average—are the best available indicator of local conditions until Parshall 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 Parshall?

Radon mitigation in Parshall 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 Parshall?

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.