Watford City, ND Radon Mitigation and Testing

Q: What is the average radon level in Watford City, ND?

Based on 2 user-submitted tests, the average radon level is 5.50 pCi/L.

Q: What EPA Radon Zone is Watford City in?

Watford City is in McKenzie County, EPA Zone 1.

Q: How much does radon mitigation cost in Watford City?

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

Avg: 5.50 pCi/L

McKenzie County

EPA Zone 1

2 user tests

Watford City is located in McKenzie County, North Dakota. With 2 user-submitted readings averaging 5.50 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 58854 zip code.

5.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Watford City, ND. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Watford City, ND Radon Mitigation

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

Watford City, ND Radon Testing

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

Watford City, North Dakota Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Watford City, ND	21-50 Years	Full Basement	Aug 2023
6 pCi/L	Watford City, ND	0-20 Years	Full Basement	Jul 2023

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

Watford City Radon Facts

Key details about the radon risk profile for Watford City and the 58854 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

McKenzie County, ND

Zip Code

58854

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.50 pCi/L

User Tests Submitted

Watford City and the 58854 zip code are located in McKenzie 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 Watford City, ND

What is the average radon level in Watford City, ND?

Based on 2 user-submitted tests, the average radon level in Watford City is 5.50 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 Watford City in?

Watford City and the 58854 zip code are in McKenzie 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 Watford City?

Radon mitigation in Watford City 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 Watford City?

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 North Dakota

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

City	Avg User Radon Level	Submissions
Grand Forks	13.50 pCi/L	8
Grafton	7.67 pCi/L	3
Dickinson	6.00 pCi/L	3
Watford City	5.50 pCi/L	2
Bismarck	No submissions	0