Washington, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Washington in?

Washington is in Tazewell County, EPA Zone 1.

Q: How much does radon mitigation cost in Washington?

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

Tazewell County

EPA Zone 1

Washington, IL resides in Tazewell 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. Testing is recommended for all homes in the 61571 zip code area.

Washington, IL Radon Mitigation

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

Washington, IL Radon Testing

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

Washington, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Washington, IL	0-20 Years	Full Basement	Jul 2017

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

Washington Radon Facts

Key details about the radon risk profile for Washington and the 61571 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Tazewell County, IL

Zip Code

61571

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Washington and the 61571 zip code are located in Tazewell 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 Washington, IL

What EPA Radon Zone is Washington in?

Washington and the 61571 zip code are in Tazewell 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 Washington?

Radon mitigation in Washington 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 Washington?

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 Illinois

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

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4