South Fork, CO Radon Mitigation and Testing

Q: What EPA Radon Zone is South Fork in?

South Fork is in Rio Grande County, EPA Zone 2.

Q: How much does radon mitigation cost in South Fork?

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

Rio Grande County

EPA Zone 2

South Fork, CO resides in Rio Grande 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. Testing is recommended for all homes in the 81154 zip code area.

South Fork, CO Radon Mitigation

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

South Fork, CO Radon Testing

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

South Fork Radon Facts

Key details about the radon risk profile for South Fork and the 81154 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Rio Grande County, CO

Zip Code

81154

Predicted Screening Level

2–4 pCi/L (Zone 2)

South Fork and the 81154 zip code are located in Rio Grande 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 South Fork, CO

What EPA Radon Zone is South Fork in?

South Fork and the 81154 zip code are in Rio Grande 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 South Fork?

Radon mitigation in South Fork 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 South Fork?

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 Colorado

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

City	Avg User Radon Level	Submissions
Fairplay	12.00 pCi/L	9
Crested Butte	8.56 pCi/L	9
Denver	6.22 pCi/L	9
Montrose	9.25 pCi/L	8
Gunnison	7.38 pCi/L	8
Buena Vista	12.57 pCi/L	7
Pueblo	10.67 pCi/L	6
Grand Junction	8.17 pCi/L	6
Bayfield	6.00 pCi/L	6
Canon City	10.80 pCi/L	5
Aurora	7.40 pCi/L	5
Windsor	7.00 pCi/L	5
Telluride	6.80 pCi/L	5
Parker	5.40 pCi/L	5
Salida	15.50 pCi/L	4
Johnstown	9.50 pCi/L	4
Granby	9.00 pCi/L	4
Longmont	8.00 pCi/L	4
Edwards	6.75 pCi/L	4
Mancos	6.00 pCi/L	4