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Windsor, CO Radon Levels

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


Windsor, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Weld County, CO
Zip Code 80550
Avg. User Level 7.00 pCi/L
User Tests 5

Located in Weld County within the Fort Collins Metro area, Windsor shows an average radon level of 7.0 pCi/L based on 5 local tests, significantly exceeding the EPA action threshold of 4.0 pCi/L. The community sits on Colorado's Front Range geological formations, where uranium-rich soils and favorable migration pathways create elevated radon conditions. With readings ranging from 5.0 to 13.0 pCi/L in ZIP code 80550, radon mitigation systems are strongly recommended for area homes.

7.00
pCi/L average
Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Windsor, CO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Windsor, CO Radon Mitigation

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

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Windsor, CO Radon Levels

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

Radon LevelCityHome AgeFoundation
7 pCi/L Windsor, CO 0-20 Years Full Basement
5 pCi/L Windsor, CO 0-20 Years No Basement/All Slab
13 pCi/L Windsor, CO 0-20 Years Partial Basement

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

Radon Readings Near Windsor, CO

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

CityDistanceAvg User LevelReadings
Fort Collins 9.9 mi 5.50 pCi/L 2
Eaton 10.2 mi 7.00 pCi/L 1
Johnstown 10.3 mi 9.50 pCi/L 4
Greeley 11.3 mi 4.67 pCi/L 3
Loveland 11.4 mi 4.50 pCi/L 2
Evans 12.8 mi 6.33 pCi/L 3
Berthoud 16.7 mi 12.00 pCi/L 2
Longmont 24.5 mi 8.00 pCi/L 4

Weld County Radon Profile

Weld County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 7 cities in Weld County average 8.05 pCi/L across 20 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Weld County to test, as levels can differ between neighboring homes.

Radon FAQ for Windsor, CO

What is the average radon level in Windsor, CO?
Based on 5 user-submitted tests, the average radon level in Windsor is 7.00 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 Windsor in?
Windsor and the 80550 zip code are in Weld 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 Windsor?
Radon mitigation in Windsor 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 Windsor?
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.