The Power of Information

National Drinking Water Database

Alpha particle activity (incl. radon & uranium) in Nevada

Alpha particles are a form of radiation associated with mining waste pollutants and natural sources. [read more]

The Most Polluted Communities in Nevada

139 water utilities reported detecting Alpha particle activity (incl. radon & uranium) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Alpha particle activity (incl. radon & uranium) level

RankSystem Population Served Positive test results of total reported tests Average Level
1South Maine Mhp
Pasadena, NV
1001 of 139 pCi/L
(39 pCi/L)
2Elk Point Country Club
Zephyr Cove, NV
3255 of 529.08 pCi/L
(24.8 to 33.7 pCi/L)
3EM Ber Mobile Manor
Fallon, NV
355 of 528.8 pCi/L
(22 to 34 pCi/L)
4Rosemount Water Co
Reno, NV
544 of 423.5 pCi/L
(15 to 37 pCi/L)
5Manhattan Town Water
Tonopah, NV
403 of 322 pCi/L
(17 to 31 pCi/L)
6Sierra Estates Gid
Carson City, NV
1604 of 421.75 pCi/L
(20 to 24 pCi/L)
7Lightning W Wcud
Reno, NV
904 of 420.68 pCi/L
(12.58 to 32.25 pCi/L)
8Frontier Village Mhp
Carson City, NV
2803 of 319.67 pCi/L
(18.8 to 20.2 pCi/L)
9Valley View Tp
Ely, NV
522 of 219.5 pCi/L
(18 to 21 pCi/L)
10Whiskey Petes
Primm, NV
3,0003 of 318.36 pCi/L
(17.13 to 19.63 pCi/L)

Health Based Limits for Alpha particle activity (incl. radon & uranium)

Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.15 pCi/L

Violation Summary for Alpha particle activity (incl. radon & uranium) in Nevada

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in Nevada since 2004

Violation TypeNumber of Violations
Failure to monitor regularly100
Over maximum contaminant level, Average7
Over maximum contaminant level, Single Sample1