Vermont Radon
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Radon Action Week and Radon Action Month in Vermont

January is National Radon Action Month, and Radon Action Week is the third week in October.⁠1 The EPA says the aim is to raise awareness of radon, promote testing and mitigation, and advance radon-resistant new construction.⁠1

Why fall and winter are a good time to start

The Vermont Department of Health recommends a long-term radon test of 3 to 12 months, ideally including a heating season, because radon levels change daily, weekly and seasonally.⁠2 A long-term kit placed in the fall can run through a Vermont winter. The Health Department Lab sells that kit for $25.⁠3

A checklist for the month

  • Haven’t tested? Order the Health Department Lab’s long-term kit and place it in the lowest lived-in level of your home.⁠34 See How to test your home.
  • Tested low before? Retest every five years, or sooner after significant changes to your home’s structure or mechanical systems.⁠2
  • Have a radon system? Test every two years to make sure it’s still working.⁠2 See Is my radon system working?
  • On a private well or spring? Radon in water can add to the radon in your air; the Lab sells a radon in water kit for $25.⁠53
  • Got a result of 4.0 pCi/L or higher? The Health Department says to contact a certified radon mitigation contractor.⁠6 See Find a certified contractor.
  • Landlord, school or child care program? See Radon in rentals and Radon in schools and child care.

Spreading the word

The EPA offers free materials for spreading awareness of radon’s health risks on its radon media resources page.⁠1 Locally, you can share:

Questions? Call the Vermont Radon Program at 802-863-7220 or 800-439-8550 (toll-free in Vermont).⁠2

Last reviewed How we source facts

Sources

6 official sources
  1. U.S. Environmental Protection Agency. What is National Radon Action Month? When is Radon Action Week?. Checked 2026-10-17. ↩
  2. Vermont Department of Health. Radon in Your Home. Checked 2026-10-17. ↩
  3. Vermont Department of Health Laboratory. Radon Test Kits (Health Department Lab webstore). Checked 2026-10-17. ↩
  4. U.S. Environmental Protection Agency. Home Buyer’s and Seller’s Guide to Radon (EPA 402/K-24/001, March 2024). Checked 2026-10-17. ↩
  5. Vermont Department of Health. Radon in Drinking Water. Checked 2026-10-17. ↩
  6. Vermont Department of Health. Fixing Radon in Your Home (fact sheet, January 2024). Checked 2026-10-17. ↩

Radon reminders, timed to you