Poynette, WI Radon Levels

Q: What EPA Radon Zone is Poynette in?

Poynette is in Columbia County, EPA Zone 2.

Q: How much does radon mitigation cost in Poynette?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Poynette, WI Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Columbia County, WI

Zip Code 53955

Positioned in south-central Wisconsin's Columbia County within the Madison Metro area, Poynette sits on glacial deposits over sedimentary bedrock that contribute to moderate radon potential. The community's location between glacial moraines can influence soil conditions and radon gas migration patterns. With testing data for zip code 53955 currently limited, homeowners should prioritize independent radon testing to assess their individual risk.

7.25

pCi/L area average

Above EPA Action Level

Columbia County average: 7.25 pCi/L, based on 4 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Poynette itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Poynette, WI Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Poynette, WI

No homeowner tests have been submitted for Poynette yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Arlington	5.9 mi	6.00 pCi/L	1
Pardeeville	10.3 mi	4.00 pCi/L	1
Portage	10.6 mi	9.00 pCi/L	1
Waunakee	15.3 mi	5.50 pCi/L	2
Fall River	17.9 mi	10.00 pCi/L	1
Middleton	20.9 mi	4.00 pCi/L	1
Mc Farland	27.7 mi	9.00 pCi/L	1
Verona	28.5 mi	18.00 pCi/L	1

Columbia County Radon Profile

EPA mapping assigns Columbia County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 4 cities in Columbia County average 7.25 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Columbia County home regardless of zone or a neighbor's results.

Radon FAQ for Poynette, WI

What EPA Radon Zone is Poynette in?

Poynette and the 53955 zip code are in Columbia County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Poynette?

No homeowner radon tests have been submitted for Poynette yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Columbia County average—are the best available indicator of local conditions until Poynette homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Poynette?

Radon mitigation in Poynette 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 Poynette?

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.