The Power of Information

National Drinking Water Database

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

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

The Most Polluted Communities in Virginia

213 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
1Chesdin Manor Subdivision
Blackridge, VA
4604 of 427.37 pCi/L
(19.9 to 33.8 pCi/L)
2Town of Scottsburg
Scottsburg, VA
3609 of 924.79 pCi/L
(12.67 to 44.2 pCi/L)
3Scots Landing
632 of 224.4 pCi/L
(23 to 25.8 pCi/L)
4Town of Virgilina
Virgilina, VA
3003 of 323.63 pCi/L
(12.6 to 43.4 pCi/L)
5Blue Ridge Shores
Louisa, VA
1,7009 of 919.02 pCi/L
(8.2 to 33.58 pCi/L)
Alexandria, VA
1002 of 218.1 pCi/L
(11.3 to 24.9 pCi/L)
7Hanover Suburban Water System
Hanover, VA
71,0001 of 117.1 pCi/L
(17.1 pCi/L)
8Courtney Subdivision
Warwick, VA
1875 of 515.5 pCi/L
(10.2 to 21.4 pCi/L)
9Town of Bowling Green
Bowling Green, VA
1,1903 of 311.93 pCi/L
(4.9 to 16.4 pCi/L)
10Gross Point Subdivision
Bedford, VA
2482 of 311.27 pCi/L
(0 to 30.4 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 Virginia

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

Violation TypeNumber of Violations
Failure to monitor regularly14
Over maximum contaminant level, Average3