Alcester, SD Radon Levels

Q: What EPA Radon Zone is Alcester in?

Alcester is in Union County, EPA Zone 1.

Q: How much does radon mitigation cost in Alcester?

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

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

Alcester, SD Radon Facts

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

County Union County, SD

Zip Code 57001

Located in Union County within the Sioux Falls metro area, this southeastern South Dakota community currently has insufficient radon testing data for the 57001 zip code. The region's glacial till deposits over Sioux Quartzite bedrock can influence radon gas migration patterns throughout the area. Homeowners should schedule professional testing, especially important for properties with basements or lower-level living spaces typical of Great Plains residential construction.

Alcester, SD Radon Mitigation

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

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Radon FAQ for Alcester, SD

What EPA Radon Zone is Alcester in?

Alcester and the 57001 zip code are in Union 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 Alcester?

Radon mitigation in Alcester 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 Alcester?

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 South Dakota

Cities in South Dakota with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Spearfish	7.75 pCi/L	4
Rapid City	10.50 pCi/L	2
Aberdeen	8.50 pCi/L	2
Sioux Falls	6.00 pCi/L	2
Watertown	6.00 pCi/L	2