Radon in Saline County, Illinois

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Zone 2 Moderate potential. Predicted average indoor screening level from 2 to 4 pCi/L.

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Saline County is one of 43 Illinois counties (out of 102) that EPA places in Zone 2. 11 ZIP codes reach into the county, 2 of them entirely. We list 46 radon professionals for Saline County, each checked against the state’s official list.

What the zone means for a Saline County home

Zone 2 means EPA predicted a county-wide average between 2 and 4 pCi/L. That is below EPA's action level on average, but plenty of individual Saline County homes will be above 4 pCi/L, and EPA suggests considering a fix between 2 and 4 pCi/L too.

A short-term test kit costs little and takes two to seven days. If your result is 4 pCi/L or higher, EPA recommends a follow-up test and, if it is confirmed, a mitigation system, which typically uses a pipe and fan to pull soil gas from under the foundation and vent it above the roof. Check a result with the level calculator and plan your next step with the follow-up planner.

Radon professionals for Saline County

Illinois listings show the counties each licensee told IEMA they serve. Listings are free. Featured listings are paid placements and are labelled.

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Get radon quotes from certified pros in Saline County

Tell us what you need and we will try to connect you with up to three state-certified or licensed radon professionals who work in your area. It is free and there is no obligation.

We only share your request with radon professionals for this job. We do not sell your details to anyone else. Radon by ZIP may be paid by professionals for leads or featured placement.

ZIP codes in Saline County

Open a ZIP to see every county it touches. Where a ZIP crosses a county line, the percentage is the share of its land area inside Saline County.

Illinois radon program

EPA lists IL Emergency Management Agency Radon Program (phone 217-782-4977) as the state contact. State programs can tell you about local test results, discounted kits, disclosure rules for home sales and credentialed professionals. Website: iema.illinois.gov/nrs/radon.html.

Back to all Illinois counties.

Frequently asked questions

What is the EPA radon zone for Saline County, Illinois?

EPA's Map of Radon Zones puts Saline County in Zone 2 (moderate potential): Predicted average indoor screening level from 2 to 4 pCi/L.

Do I need to test for radon in Saline County if the zone is low?

Yes. EPA says the zone map should not be used to decide whether a single home needs testing. Homes with high radon are found in every zone, and neighboring homes can test very differently. Testing is cheap and the only way to know your level.

How do I find a certified radon professional in Saline County?

We list 46 state-licensed radon professionals for Saline County on this page, each checked against the state's official list. You can also ask for free quotes with the form on this page.

How many ZIP codes are in Saline County?

11 ZIP codes have at least part of their land area in Saline County, based on the U.S. Census Bureau's 2020 ZIP Code Tabulation Area to county relationship file.

Free checklist · PDF

Radon Test Checklist

A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.

  • Short-term vs. long-term test: which to use
  • Closed-house conditions and where to place the kit
  • What 2, 4 and 8 pCi/L mean and when to fix

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Sources

  1. U.S. EPA, EPA Map of Radon Zones (text version)
  2. U.S. Census Bureau, 2020 ZCTA to County Relationship File
  3. U.S. EPA, A Citizen’s Guide to Radon
  4. Illinois Emergency Management Agency (IEMA-OHS) Radon Active Licensee Listing
Radon in Saline County, IL: EPA zone and 46 certified pros · Radon by ZIP