Ludlow, SD Radon Mitigation and Testing

Q: What EPA Radon Zone is Ludlow in?

Ludlow is in Harding County, EPA Zone 2.

Q: How much does radon mitigation cost in Ludlow?

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

Harding County

EPA Zone 2

Located in northwestern South Dakota's Harding County near the Montana border, Ludlow sits on Great Plains sedimentary formations including Pierre Shale. The EPA Zone 2 classification indicates moderate radon potential in this sparsely populated ranching area. While testing data for zip code 57755 is currently limited, the underlying shale formations can contain uranium-bearing materials that warrant radon testing for homeowners.

Ludlow, SD Radon Mitigation

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

Ludlow, SD Radon Testing

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

Ludlow Radon Facts

Key details about the radon risk profile for Ludlow and the 57755 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Harding County, SD

Zip Code

57755

Predicted Screening Level

2–4 pCi/L (Zone 2)

Ludlow and the 57755 zip code are located in Harding County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Ludlow, SD

What EPA Radon Zone is Ludlow in?

Ludlow and the 57755 zip code are in Harding 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 Ludlow?

Radon mitigation in Ludlow 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 Ludlow?

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