The Power of Information

National Drinking Water Database

Combined Radium (-226 & -228) in Nevada

Radium is a radioactive element usually found around uranium deposits. [read more]

The Most Polluted Communities in Nevada

52 water utilities reported detecting Combined Radium (-226 & -228) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Combined Radium (-226 & -228) level

RankSystem Population Served Positive test results of total reported tests Average Level
1Truckee Meadows Water Authority
Reno, NV
315,2001 of 12.04 pCi/L
(2.04 pCi/L)
2Moapa Valley Water District
Logandale, NV
8,0002 of 21.66 pCi/L
(1.22 to 2.1 pCi/L)
3City Vue Mhp
Manhattan Beach, NV
751 of 11.3 pCi/L
(1.3 pCi/L)
4Searchlight Water Company
Las Vegas, NV
7604 of 51.07 pCi/L
(0 to 2.22 pCi/L)
5Timberline Estates
Reno, NV
753 of 30.91 pCi/L
(0.23 to 1.79 pCi/L)
6West Wendover Water System
West Wendover, NV
4,2002 of 20.82 pCi/L
(0.42 to 1.23 pCi/L)
7Carson City Water Division
Carson City, NV
56,5007 of 70.82 pCi/L
(0.39 to 1.28 pCi/L)
8Lightning W Wcud
Reno, NV
904 of 40.82 pCi/L
(0.57 to 1.11 pCi/L)
9Old Washoe Estates Wcud
Reno, NV
1286 of 60.8 pCi/L
(0.2 to 1.77 pCi/L)
10Las Vegas Valley Water District
Las Vegas, NV
1,181,26319 of 220.76 pCi/L
(0 to 2.9 pCi/L)

Health Based Limits for Combined Radium (-226 & -228)

Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.0 pCi/L
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.5 pCi/L

Violation Summary for Combined Radium (-226 & -228) 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 regularly105