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National Drinking Water Database

Chlorate in Virginia

Chlorate is a disinfection byproduct (unregulated chlorine dioxide byproduct), an herbicide and a pollutant from explosives.

The Most Polluted Communities in Virginia

9 water utilities reported detecting Chlorate in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Chlorate level

RankSystem Population Served Positive test results of total reported tests Average Level
1Henrico County Public Utilities
Richmond, VA
289,00048 of 49419.68 ppb
(0 to 1062 ppb)
2Gcwsa - Jarratt
Emporia, VA
7,19021 of 21402.76 ppb
(134.33 to 754.33 ppb)
3Dcwa Central
Petersburg, VA
7,43128 of 28162.88 ppb
(34.33 to 518.33 ppb)
4Puddledock Road
Prince George, VA
6,52533 of 33159.27 ppb
(74.67 to 251.5 ppb)
5Fort Lee
Hopewell, VA
11,59416 of 18136.06 ppb
(0 to 848.33 ppb)
6City of Colonial Heights
Colonial Heights, VA
17,28634 of 34129.49 ppb
(38 to 200.33 ppb)
7City of Petersburg
Petersburg, VA
33,74026 of 26121.98 ppb
(4.84 to 189.67 ppb)
8Blacksburg-Christiansburg-Vpi Water Auth
Blacksburg, VA
8,3001 of 129.3 ppb
(29.3 ppb)
9Western Virginia Water Authority
155,0005 of 78.22 ppb
(0 to 31.5 ppb)

Health Based Limits for Chlorate

There are no health based standards that EWG is using for this chemical

Violation Summary for Chlorate in Virginia

There are no violations reported for this contaminant in Virginia