Hill City, SD Radon Levels

Q: What EPA Radon Zone is Hill City in?

Hill City is in Pennington County, EPA Zone 2.

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

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

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

Hill City, SD Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Pennington County, SD

Zip Code 57745

Located in Pennington County within the Rapid City Metro area, Hill City rests near the Black Hills where metamorphic bedrock and granite formations can influence radon levels. The community's mix of older mountain homes and newer developments in zip code 57745 may show varying radon potential. Testing data remains limited, making individual home testing particularly important for residents.

Hill City, SD 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 Hill City?

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

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Hill City, SD

What EPA Radon Zone is Hill City in?

Hill City and the 57745 zip code are in Pennington County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Hill City?

Radon mitigation in Hill 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 Hill 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