Merrillville, IN Radon Mitigation and Testing

Q: What is the average radon level in Merrillville, IN?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Merrillville in?

Merrillville is in Lake County, EPA Zone 2.

Q: How much does radon mitigation cost in Merrillville?

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

Avg: 4.00 pCi/L

Lake County

EPA Zone 2

1 user test

Positioned in Lake County within the Chicago Metro's Indiana suburbs, Merrillville shows an average radon level of 4.0 pCi/L based on limited testing in zip code 46410. While this reading sits at the EPA action threshold, the area's glacial lake deposits and predominantly basement-equipped housing stock warrant continued monitoring. Northwest Indiana's proximity to Lake Michigan and variable soil conditions mean individual home testing remains essential for accurate risk assessment.

4.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Merrillville, IN. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Merrillville, IN Radon Mitigation

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

Merrillville, IN Radon Testing

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

Merrillville, Indiana Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Merrillville, IN	51-99 Years	Full Basement	Jun 2019

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

Merrillville Radon Facts

Key details about the radon risk profile for Merrillville and the 46410 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lake County, IN

Zip Code

46410

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Merrillville and the 46410 zip code are located in Lake 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 Merrillville, IN

What is the average radon level in Merrillville, IN?

Based on 1 user-submitted test, the average radon level in Merrillville is 4.00 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 Merrillville in?

Merrillville and the 46410 zip code are in Lake 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 Merrillville?

Radon mitigation in Merrillville 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 Merrillville?

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 Indiana

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

City	Avg User Radon Level	Submissions
Bloomington	8.14 pCi/L	7
Kokomo	7.40 pCi/L	5
Lafayette	15.00 pCi/L	3
Valparaiso	10.00 pCi/L	3
Avon	6.00 pCi/L	3
West Lafayette	10.50 pCi/L	2
Dyer	9.50 pCi/L	2
Columbus	7.50 pCi/L	2
Noblesville	7.00 pCi/L	2
Westfield	7.00 pCi/L	2
Fishers	6.50 pCi/L	2
Corydon	6.00 pCi/L	2
Warsaw	5.50 pCi/L	2
Indianapolis	4.00 pCi/L	2
Newburgh	8.00 pCi/L	1
Logansport	7.00 pCi/L	1
Terre Haute	5.00 pCi/L	1
Muncie	4.00 pCi/L	1
Brownsburg	No submissions	0