Garden City, SD Radon Levels

Q: What EPA Radon Zone is Garden City in?

Garden City is in Clark County, EPA Zone 1.

Q: How much does radon mitigation cost in Garden City?

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

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

Garden City, SD Radon Facts

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

County Clark County, SD

Zip Code 57236

Found in Clark County in northeastern South Dakota (zip code 57236), Garden City sits in the prairie region where glacial deposits over sedimentary bedrock can influence radon concentrations. While testing data for this small community is currently limited, the geological characteristics of this area suggest homeowners should consider radon testing. The region's typical housing stock, including homes with basements standard for this climate, can provide conditions where radon accumulates.

Garden City, 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 Garden City, SD

What EPA Radon Zone is Garden City in?

Garden City and the 57236 zip code are in Clark 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 Garden City?

Radon mitigation in Garden City 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 Garden City?

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