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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

Gross beta particle activity (dissolved)


Status: Regulated - EPA has established a maximum legal limit in tapwater for this contaminant.

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

 
Detected
Found above
health guidelines
Found above
legal limit
States
2
-
-
Water utilities
51
-
-
People Served
117,021
-
-

Gross beta particle activity (dissolved) Exposure by State

Water utilities in 2 states have reported detecting Gross beta particle activity (dissolved) in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Gross beta particle activity (dissolved) contamination
SystemsPopulation
Wyoming1965,479
New York3251,542
Total51117,021

The Most Polluted Communities

51 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
(Range)
1Fairway Estates
Douglas, WY
1001 of 113.1 pCi/L
(13.1 pCi/L)
2Pleasant Ridge Apartments
NY
111 of 110 pCi/L
(10 pCi/L)
3Meadow Park Homeowners Assoc
Evanston, WY
1001 of 19.3 pCi/L
(9.3 pCi/L)
4Town of LA Grange
La Grange, WY
3341 of 18.95 pCi/L
(8.95 pCi/L)
5Pietschs Gardens
North Salem, NY
3371 of 17.1 pCi/L
(7.1 pCi/L)
6Town of Albin
Albin, WY
1281 of 15.3 pCi/L
(5.3 pCi/L)
7Crestview Estates Subdivision
Gillette, WY
5002 of 25.3 pCi/L
(5.3 pCi/L)
8Riverwood Estates
Clayton, NY
302 of 24.75 pCi/L
(0.5 to 9 pCi/L)
9Cooper Sub Mobile Home Park
Cody, WY
1002 of 24.6 pCi/L
(2.8 to 6.4 pCi/L)
10Croghan Village
Croghan, NY
1,5001 of 24.5 pCi/L
(0 to 9 pCi/L)

Health Based Limits for Gross beta particle activity (dissolved)

StandardDescriptionLevel
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

Testing Summary for Gross beta particle activity (dissolved)

Are tests routinely required for Gross beta particle activity (dissolved) by federal law?Yes
Water suppliers reporting tests for Gross beta particle activity (dissolved) (2004-2009):70 of 47,576
Average testing rate for water supplier reporting tests (2004-2009):0.2 per year

Violation Summary for Gross beta particle activity (dissolved)

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards for Gross beta particle activity (dissolved) since 2004

Maximum Contaminant Level Exceedance Violations0
Monitoring Violations15
Reporting Violations0