ND
Radon Test Kits in McKenzie County, ND
Upper Missouri District Health Unit gives out free radon kits with prepaid return postage while supplies last. The office for this county is 201 5th St NW Suite 1100 in Watford City. Phone 701-444-3449. Serves Divide, McKenzie, Mountrail and Williams Counties in northwest North Dakota from a central office in Williston plus satellite offices in Crosby, Stanley, and Watford City.
We checked this on October 1, 2026. Confirm the official page before you travel. Prices and stock change.
Where to get a kit
Upper Missouri District Health Unit Radon Test Kits: Free
Upper Missouri District Health Unit gives out free radon kits with prepaid return postage while supplies last.
Buy in person (call to confirm stock):
- Upper Missouri District Health Unit, Central Office, 110 W. Bdwy, Suite 101, 8:00 am - 5:00 pm, 701-774-6400
- Upper Missouri District Health Unit, McKenzie County Office, 201 5th St NW Suite 1100, 8:30 am - 5:00 pm, 701-444-3449
- Upper Missouri District Health Unit, Mountrail County Office, 18 2nd Ave SE, 8:30 am - 5:00 pm, 701-628-2951
- Upper Missouri District Health Unit, Divide County Office, 200 N Main St, 8:00 am - 5:00 pm, 701-965-6813
One test, or keep watching
One test: free
A lab kit from the program above. Good for a first look. One test is a snapshot, not a pattern.
Keep watching: Airthings Corentium Home 2, $179.99
New readings every day for as long as you own it. Good if you want to know, not guess. Price checked October 1, 2026.
If you buy through our Airthings link, we may earn a commission. You don't pay extra. Add your name and shipping, then enter ARS10-10OFF. The link does not apply the code by itself.