Vermillion, SD Radon Mitigation and Testing

Q: What is the average radon level in Vermillion, SD?

Based on 2 user-submitted tests, the average radon level is 13.00 pCi/L.

Q: What EPA Radon Zone is Vermillion in?

Vermillion is in Clay County, EPA Zone 1.

Q: How much does radon mitigation cost in Vermillion?

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

Avg: 13.00 pCi/L

Clay County

EPA Zone 1

2 user tests

Vermillion in Clay County shows an average radon level of 13.0 pCi/L based on testing data, significantly exceeding the EPA action level of 4.0 pCi/L. Located on Missouri River terrace deposits and Pierre Shale formations, this university community in zip code 57069 requires immediate attention for radon mitigation in affected homes. The area's housing stock, including both student rentals and family homes with basements, sits on geological formations known to produce elevated radon levels throughout southeastern South Dakota.

13.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Vermillion, SD. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Vermillion, SD Radon Mitigation

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

Vermillion, SD Radon Testing

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

Vermillion, South Dakota Radon Levels

User-submitted radon test readings from homes in the Vermillion area.

Radon Level	City	Home Age	Foundation	Submitted
16 pCi/L	Vermillion, SD	51-99 Years	Full Basement	Aug 2019
10 pCi/L	Vermillion, SD	0-20 Years	Full Basement	Feb 2017

Have a radon test result for Vermillion? Submit your reading to help other homeowners.

Vermillion Radon Facts

Key details about the radon risk profile for Vermillion and the 57069 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clay County, SD

Zip Code

57069

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

13.00 pCi/L

User Tests Submitted

Vermillion and the 57069 zip code are located in Clay 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 Vermillion, SD

What is the average radon level in Vermillion, SD?

Based on 2 user-submitted tests, the average radon level in Vermillion is 13.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Vermillion in?

Vermillion and the 57069 zip code are in Clay 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 Vermillion?

Radon mitigation in Vermillion 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 Vermillion?

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