Hillpoint, WI Radon Levels

Q: What EPA Radon Zone is Hillpoint in?

Hillpoint is in Sauk County, EPA Zone 2.

Q: How much does radon mitigation cost in Hillpoint?

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

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

Hillpoint, WI Radon Facts

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

County Sauk County, WI

Zip Code 53937

Found in Sauk County within Wisconsin's Driftless Area, Hillpoint sits over Paleozoic bedrock including sandstone and limestone formations that contribute to the region's radon potential. Local housing in the 53937 zip code includes rural homes and seasonal properties, many with basements carved into the area's characteristic hillsides. Testing data remains limited, making individual home testing particularly important given the geological setting.

6.75

pCi/L area average

Above EPA Action Level

Sauk County average: 6.75 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Hillpoint 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+

Hillpoint, 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 Hillpoint, WI

No homeowner tests have been submitted for Hillpoint 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
La Valle	12.2 mi	9.00 pCi/L	2
Reedsburg	12.5 mi	5.00 pCi/L	1
Spring Green	15.0 mi	4.00 pCi/L	1
Blue River	24.2 mi	6.00 pCi/L	1
Ridgeway	28.1 mi	8.00 pCi/L	1
Kendall	29.4 mi	9.00 pCi/L	1
Blue Mounds	31.5 mi	15.00 pCi/L	1
Mount Horeb	34.3 mi	9.00 pCi/L	1

Sauk County Radon Profile

The soils and bedrock of Sauk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 3 cities in Sauk County average 6.75 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Sauk County to test, as levels can differ between neighboring homes.

Radon FAQ for Hillpoint, WI

What EPA Radon Zone is Hillpoint in?

Hillpoint and the 53937 zip code are in Sauk 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 Hillpoint?

No homeowner radon tests have been submitted for Hillpoint yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Sauk County average—are the best available indicator of local conditions until Hillpoint 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 Hillpoint?

Radon mitigation in Hillpoint 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 Hillpoint?

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.