The Power of Information

National Drinking Water Database


Radon in Nevada


Radon is a radioactive breakdown product of radium and uranium in soil, rock and water; it is often present in groundwater. [read more]

The Most Polluted Communities in Nevada

6 water utilities reported detecting Radon in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Radon level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Carson City Water Division
Carson City, NV
56,5003 of 31490 pCi/L
(1453 to 1528 pCi/L)
2Silver Peak Water System
Goldfield, NV
1381 of 11270 pCi/L
(1270 pCi/L)
3Orovada Water District
Orovada, NV
2001 of 1456 pCi/L
(456 pCi/L)
4City of North Las Vegas Utilities Department
N Las Vegas, NV
282,6003 of 3288.33 pCi/L
(260 to 325 pCi/L)
5Las Vegas Valley Water District
Las Vegas, NV
1,181,2638 of 9206.34 pCi/L
(0 to 276.67 pCi/L)
6Nellis Air Force Base
Nellis Afb, NV
6,2883 of 3101.67 pCi/L
(54 to 151 pCi/L)

Health Based Limits for Radon

StandardDescriptionLevel
One in one million (10-6) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 1,000,000. Source: U.S. Environmental Protection Agency.1.5 pCi/L
One in ten thousand (10-4) Cancer RiskThe concentration of a chemical in drinking water corresponding to an excess estimated lifetime cancer risk of 1 in 10,000. Source: U.S. Environmental Protection Agency.150 pCi/L

Violation Summary for Radon in Nevada

There are no violations reported for this contaminant in Nevada