Bristol, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Bristol in?

Bristol is in Day County, EPA Zone 1.

Q: How much does radon mitigation cost in Bristol?

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

Day County

EPA Zone 1

Positioned in Day County in northeastern South Dakota, Bristol sits on glacial drift deposits over sedimentary bedrock that can contribute to elevated radon potential across the region. The rural community's housing includes both historic farmsteads and newer construction, many featuring basement foundations common to the area's climate. While testing data for zip code 57219 is currently limited, the county's EPA Zone 1 designation suggests high radon potential, making home testing particularly advisable for residents.

Bristol, SD Radon Mitigation

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

Bristol, SD Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Bristol Radon Facts

Key details about the radon risk profile for Bristol and the 57219 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Day County, SD

Zip Code

57219

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Bristol and the 57219 zip code are located in Day County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Bristol, SD

What EPA Radon Zone is Bristol in?

Bristol and the 57219 zip code are in Day 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 Bristol?

Radon mitigation in Bristol 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 Bristol?

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 with the most user-submitted radon test data in the state.

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