Brooklyn, IA Radon Mitigation and Testing

Q: What is the average radon level in Brooklyn, IA?

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Brooklyn in?

Brooklyn is in Poweshiek County, EPA Zone 1.

Q: How much does radon mitigation cost in Brooklyn?

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

Avg: 20.00 pCi/L

Poweshiek County

EPA Zone 1

1 user test

This Poweshiek County community shows a remarkably high average radon reading of 20.0 pCi/L, five times the EPA's action level of 4.0 pCi/L. Located over glacial deposits and underlying Paleozoic limestone formations that characterize central Iowa, Brooklyn sits in an area with excellent geological conditions for radon production. Given this extremely elevated reading in zip code 52211, immediate professional radon testing and mitigation are strongly recommended for all residents.

20.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Brooklyn, IA Radon Mitigation

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

Brooklyn, IA Radon Testing

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

Brooklyn, Iowa Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Brooklyn, IA	21-50 Years	No Basement/All Slab	May 2025

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

Brooklyn Radon Facts

Key details about the radon risk profile for Brooklyn and the 52211 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Poweshiek County, IA

Zip Code

52211

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

20.00 pCi/L

User Tests Submitted

Brooklyn and the 52211 zip code are located in Poweshiek 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 Brooklyn, IA

What is the average radon level in Brooklyn, IA?

Based on 1 user-submitted test, the average radon level in Brooklyn is 20.00 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 Brooklyn in?

Brooklyn and the 52211 zip code are in Poweshiek 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 Brooklyn?

Radon mitigation in Brooklyn 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 Brooklyn?

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 Iowa

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

City	Avg User Radon Level	Submissions
Waterloo	8.50 pCi/L	4
Ames	9.67 pCi/L	3
Fairfield	14.00 pCi/L	2
Mount Pleasant	12.00 pCi/L	2
Ottumwa	5.50 pCi/L	2
Iowa City	7.00 pCi/L	1
Muscatine	No submissions	0