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Streator, IL Radon Levels

Check local Streator radon levels and find certified testing and mitigation professionals to keep your home safe


Streator, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County La Salle County, IL
Zip Code 61364
Avg. User Level 7.00 pCi/L
User Tests 1

Positioned in La Salle County along the Illinois River valley, Streator sits over alluvial soils and underlying limestone formations that contribute to variable but often elevated radon conditions. Current data shows an average radon level of 7.0 pCi/L, significantly exceeding the EPA action threshold and reflecting the area's geological radon potential. Many homes in zip code 61364 feature full basements typical of Illinois construction, where radon accumulation poses the greatest health risk.

7.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Streator, IL Radon Mitigation

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Streator, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
7 pCi/L Streator, IL 51-99 Years Partial Basement

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

Radon Readings Near Streator, IL

Compare radon levels in Streator with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Ancona 5.8 mi 20.00 pCi/L 1
Marseilles 16.0 mi 9.00 pCi/L 1
Pontiac 19.9 mi 10.50 pCi/L 2
Peru 21.2 mi 6.50 pCi/L 2
Dwight 21.7 mi 7.00 pCi/L 1
Varna 22.6 mi 20.00 pCi/L 1
Spring Valley 24.0 mi 2.00 pCi/L 1
Fairbury 30.8 mi 4.00 pCi/L 1

La Salle County Radon Profile

The bedrock and soils beneath La Salle County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in La Salle County average 8.00 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in La Salle County.

Radon FAQ for Streator, IL

What is the average radon level in Streator, IL?
Based on 1 user-submitted test, the average radon level in Streator is 7.00 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 Streator in?
Streator and the 61364 zip code are in La Salle 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 Streator?
Radon mitigation in Streator 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 Streator?
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.