Northwood, IA Radon Mitigation and Testing

Q: What EPA Radon Zone is Northwood in?

Northwood is in Worth County, EPA Zone 1.

Q: How much does radon mitigation cost in Northwood?

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

Worth County

EPA Zone 1

Current radon data for Northwood in Worth County is limited, making individual home testing particularly important for this northern Iowa community. The region's glacial till soils over limestone bedrock can create conditions favorable for radon accumulation, especially in homes with basement foundations common to Iowa's building traditions. Homeowners should prioritize professional radon testing to establish baseline readings for their properties.

Northwood, IA Radon Mitigation

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

Northwood, IA Radon Testing

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

Northwood Radon Facts

Key details about the radon risk profile for Northwood and the 50459 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Worth County, IA

Zip Code

50459

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Northwood and the 50459 zip code are located in Worth 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 Northwood, IA

What EPA Radon Zone is Northwood in?

Northwood and the 50459 zip code are in Worth 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 Northwood?

Radon mitigation in Northwood 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 Northwood?

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