MN · Washington County

Radon Test Kits in Woodbury, MN

The Woodbury pickup is the South Environmental Center, 4039 Cottage Grove Drive. Washington County says free short-term kits are at the front desk or drive lane during the center's listed hours: Tuesday 11 a.m. to 7 p.m., Thursday and Friday 8 a.m. to 4:30 p.m., and Saturday 8 a.m. to 2 p.m. Phone 651-275-7475.

Last verified October 1, 2026. Confirm the official page before you travel. Prices and stock change.

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Available when checkedFree test kit

Washington County free radon kits

Washington County offers free short-term radon kits to residents at listed service centers and environmental centers.

Who it is for. Washington County residents.

Free

Free short-term kits for Washington County residents.

Pick up a kit during operating hours at a service center or environmental center named on the county page. Stillwater Government Center, Public Health and Environment, Room 4600, is also on that list. We do not have a street address for that Stillwater desk, so it is not pinned.

South Environmental Center, front desk or drive lane

This is the Woodbury office.

4039 Cottage Grove Drive
Woodbury, MN 55129

Hours: Tuesday, 11 a.m. to 7 p.m. Thursday, 8 a.m. to 4:30 p.m. Friday, 8 a.m. to 4:30 p.m. Saturday, 8 a.m. to 2 p.m.

Phone: 651-275-7475

Cottage Grove Service Center, Public Health and Environment

13000 Ravine Parkway South
Cottage Grove, MN 55016

Hours: Monday to Friday, 8:00 a.m. to 4:30 p.m. Saturday and Sunday closed.

Phone: 651-430-6655

Headwaters Service Center in Forest Lake, Public Health and Environment

19955 Forest Road North
Forest Lake, MN 55025

Phone: 651-430-6655

North Environmental Center, front desk or drive lane

6065 Headwaters Parkway
Forest Lake, MN 55025

Hours: Monday, 11 a.m. to 7 p.m. Wednesday, 8 a.m. to 4:30 p.m. Friday, 8 a.m. to 4:30 p.m. Saturday, 8 a.m. to 2 p.m.

Phone: 651-275-7475

Cottage Grove hours are the service center hours on the Cottage Grove facility page. The Forest Lake facility page says hours vary by department, so that office has no hours line. Environmental center hours are the hours printed next to those centers on the county page. Environmental centers: 651-275-7475. Public Health and Environment appointments: 651-430-6655. County main number on the facility pages: 651-430-6000. Cottage Grove and the Forest Lake service center are listed with their street addresses. They are not on the map because we could not confirm a building coordinate.

Last verified October 1, 2026Property and Environment | Washington County, MN See something outdated? Report a change.

Available when checkedTesting guidance

Minnesota Department of Health radon program

MDH says every Minnesota home should be tested. In Minnesota, more than two in five homes have radon levels that pose a significant health risk.

MDH's overview page does not sell a state kit or list a state kit price.

Use MDH for testing rules, the radon data portal, and licensed measurement or mitigation professionals. Indoor Air Unit: 651-201-4601, health.indoorair@state.mn.us.

MDH says the EPA action level is 4 pCi/L. MDH recommends a mitigation system at 4 pCi/L or higher, and says a system can be considered between 2 and 4 pCi/L. Testing steps are on the MDH radon testing page.

Last verified October 1, 2026Radon in Homes - MN Dept. of Health See something outdated? Report a change.

Prefer a reusable electronic radon monitor?

A short-term test kit is a good low-cost way to screen a home. If you want to see how radon changes over days, weeks, and seasons, or you want a monitor you can reuse in another home, an electronic radon monitor may be a better fit.

Bill's current pick from the Minneapolis guide: Airthings View Radon. It is the simpler radon display. View Plus is the one to compare if you also want a wider indoor air picture.

See current Airthings price Compare radon monitors

If you purchase through our Airthings link, we receive a small percentage of the sale at no additional cost to you. Our affiliate link may provide a discount on eligible products. This helps support the local radon-testing directory.

The product link does not apply a discount by itself. Bill's Minneapolis guide says to add the monitor to your cart, enter your name and shipping, then type ARS10 at checkout. That guide says the code is 10% off eligible Airthings products, it does not apply to items that are already discounted, and it does not stack with other offers. Code: ARS10.

EPA radon zone

EPA classifies Washington County as Zone 1, its highest radon-potential category. Individual homes can vary, so testing is still the only way to know your home's level. The zone is not a claim that your house is high.

Local radon notes

EPA classifies Washington County as Zone 1, its highest radon-potential category. Individual homes can vary, so testing is still the only way to know your home's level.

Source: EPA Map of Radon Zones (county file https://www.epa.gov/system/files/other-files/2024-06/radon-zones-202406.json). Checked October 1, 2026.

How to test, and what a result means

Place the kit the way its instructions say, and keep the house closed when the kit requires that. A short test is a screen. It is not the last word if your state wants a follow-up test.

How to test for radon
Understanding radon results
What 4 pCi/L means

Sources

Property and Environment | Washington County, MN. Verified October 1, 2026.
Radon in Homes - MN Dept. of Health. Verified October 1, 2026.
EPA Map of Radon Zones (county file https://www.epa.gov/system/files/other-files/2024-06/radon-zones-202406.json)

How we check programs

A reusable monitor does not have to stay in one house. After you have a reading you trust for your own home, you can lend it to a parent, an adult child, a coworker, a neighbor, or a friend.

Here is an example, not a sale price. If a roughly $100 monitor is eventually used by five households, the equipment cost works out to about $20 per household. Your real price will be whatever the maker charges that day.

Lending a monitor this way does not meet a professional test or a real estate requirement. When you move the device, follow the manufacturer's instructions and start a new measurement.