The Power of Information

National Drinking Water Database

Gross beta particle activity (dissolved) in Wyoming

Beta particles are a form of radiation frequently associated with nuclear testing and radioactive mineral deposits.

The Most Polluted Communities in Wyoming

19 water utilities reported detecting Gross beta particle activity (dissolved) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Gross beta particle activity (dissolved) level

RankSystem Population Served Positive test results of total reported tests Average Level
1Fairway Estates
Douglas, WY
1001 of 113.1 pCi/L
(13.1 pCi/L)
2Meadow Park Homeowners Assoc
Evanston, WY
1001 of 19.3 pCi/L
(9.3 pCi/L)
3Town of LA Grange
La Grange, WY
3341 of 18.95 pCi/L
(8.95 pCi/L)
4Crestview Estates Subdivision
Gillette, WY
5002 of 25.3 pCi/L
(5.3 pCi/L)
5Town of Albin
Albin, WY
1281 of 15.3 pCi/L
(5.3 pCi/L)
6Cooper Sub Mobile Home Park
Cody, WY
1002 of 24.6 pCi/L
(2.8 to 6.4 pCi/L)
7Antelope Valley
Gillette, WY
1,2801 of 13.6 pCi/L
(3.6 pCi/L)
8American Road Water & Sewer D
Gillette, WY
2152 of 23.5 pCi/L
(3.5 pCi/L)
9Town of Mills
Mills, WY
3,2001 of 13.5 pCi/L
(3.5 pCi/L)
10Cheyenne Board Pub Utilities
Cheyenne, WY
58,1821 of 13.2 pCi/L
(3.2 pCi/L)

Health Based Limits for Gross beta particle activity (dissolved)

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 Gross beta particle activity (dissolved) in Wyoming

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

Violation TypeNumber of Violations
Failure to monitor regularly15