Coloma, WI Radon Mitigation and Testing

Q: What is the average radon level in Coloma, WI?

Based on 1 user-submitted tests, the average radon level is 17.00 pCi/L.

Q: What EPA Radon Zone is Coloma in?

Coloma is in Waushara County, EPA Zone 2.

Q: How much does radon mitigation cost in Coloma?

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

Avg: 17.00 pCi/L

Waushara County

EPA Zone 2

1 user test

Located in Waushara County in central Wisconsin, Coloma shows significantly elevated radon levels with an average reading of 17.0 pCi/L, well above the EPA action threshold. The area's glacial sand and gravel deposits over crystalline bedrock create highly favorable conditions for radon gas migration and accumulation. Homeowners in zip code 54930 should immediately prioritize professional radon testing and mitigation system installation.

17.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Coloma, WI. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Coloma, WI Radon Mitigation

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

Coloma, WI Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Coloma, Wisconsin Radon Levels

User-submitted radon test readings from homes in the Coloma area.

Radon Level	City	Home Age	Foundation	Submitted
17 pCi/L	Coloma, WI	0-20 Years	Full Basement	Jun 2016

Have a radon test result for Coloma? Submit your reading to help other homeowners.

Coloma Radon Facts

Key details about the radon risk profile for Coloma and the 54930 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Waushara County, WI

Zip Code

54930

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

17.00 pCi/L

User Tests Submitted

Coloma and the 54930 zip code are located in Waushara County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Coloma, WI

What is the average radon level in Coloma, WI?

Based on 1 user-submitted test, the average radon level in Coloma is 17.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Coloma in?

Coloma and the 54930 zip code are in Waushara 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.

How much does radon mitigation cost in Coloma?

Radon mitigation in Coloma 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 Coloma?

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.

Most Active Radon Markets in Wisconsin

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0