Richmond, MN Radon Levels

Q: What EPA Radon Zone is Richmond in?

Richmond is in Stearns County, EPA Zone 1.

Q: How much does radon mitigation cost in Richmond?

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

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

Richmond, MN Radon Facts

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

County Stearns County, MN

Zip Code 56368

Located in Stearns County within the St. Cloud Metro area, Richmond sits atop glacial deposits that can contribute to radon accumulation in homes. Many residential properties in zip code 56368 feature full basements typical of Minnesota construction. Testing data for this community is currently limited, making professional radon testing essential for homeowners to understand their individual exposure risk.

4.50

pCi/L area average

Above EPA Action Level

Stearns County average: 4.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Richmond 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+

Richmond, MN 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 Richmond?

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Radon Readings Near Richmond, MN

No homeowner tests have been submitted for Richmond 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
Cold Spring	4.8 mi	4.00 pCi/L	1
Watkins	11.7 mi	5.00 pCi/L	1
Holdingford	18.7 mi	5.00 pCi/L	1
Willmar	33.5 mi	14.00 pCi/L	1
Monticello	37.4 mi	10.00 pCi/L	1
Buffalo	37.9 mi	11.00 pCi/L	1
Big Lake	39.4 mi	7.00 pCi/L	1
Hutchinson	39.8 mi	7.50 pCi/L	2

Stearns County Radon Profile

Because of its underlying geology, Stearns 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 Stearns County average 4.50 pCi/L across 2 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 Stearns County home regardless of zone or a neighbor's results.

Radon FAQ for Richmond, MN

What EPA Radon Zone is Richmond in?

Richmond and the 56368 zip code are in Stearns 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 Richmond?

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

Radon mitigation in Richmond 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 Richmond?

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.