Columbia, NJ Radon Mitigation and Testing

Q: What is the average radon level in Columbia, NJ?

Based on 1 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is Columbia in?

Columbia is in Warren County, EPA Zone 1.

Q: How much does radon mitigation cost in Columbia?

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

Avg: 10.00 pCi/L

Warren County

EPA Zone 1

1 user test

Located in Warren County within New Jersey's Highlands region, Columbia has recorded a concerning radon level of 10.0 pCi/L that significantly exceeds EPA action guidelines. The area's crystalline bedrock and thin soil cover create ideal conditions for radon gas production and migration into homes throughout zip code 07832. Given this elevated reading and the region's geological profile, immediate testing and mitigation consideration are strongly recommended for all local residents.

10.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Columbia, NJ Radon Mitigation

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

Columbia, NJ Radon Testing

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

Columbia, New Jersey Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Columbia, NJ	21-50 Years	Partial Basement	Feb 2019

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

Columbia Radon Facts

Key details about the radon risk profile for Columbia and the 07832 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Warren County, NJ

Zip Code

07832

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.00 pCi/L

User Tests Submitted

Columbia and the 07832 zip code are located in Warren County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Columbia, NJ

What is the average radon level in Columbia, NJ?

Based on 1 user-submitted test, the average radon level in Columbia is 10.00 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 Columbia in?

Columbia and the 07832 zip code are in Warren County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Columbia?

Radon mitigation in Columbia 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 Columbia?

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 New Jersey

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

City	Avg User Radon Level	Submissions
Cherry Hill	6.44 pCi/L	9
Hillsborough	6.14 pCi/L	7
Freehold	10.50 pCi/L	6
Marlboro	6.17 pCi/L	6
Bernardsville	7.00 pCi/L	5
Phillipsburg	7.00 pCi/L	5
Edison	5.60 pCi/L	5
Princeton	5.40 pCi/L	5
Sussex	9.75 pCi/L	4
Piscataway	6.75 pCi/L	4
Caldwell	5.00 pCi/L	4
Atlantic Highlands	4.75 pCi/L	4
West Orange	4.00 pCi/L	4
Basking Ridge	3.75 pCi/L	4
Hackettstown	3.75 pCi/L	4
Livingston	3.25 pCi/L	4
Nutley	3.25 pCi/L	4
Sicklerville	7.00 pCi/L	3
Clifton	6.00 pCi/L	3
Westfield	6.00 pCi/L	3