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EWG's Tap Water Database — 2019 UPDATE

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Picloram

Chesterfield County Central Water System

Picloram is a herbicide that in studies of laboratory animals has been linked with reduced testicular size and damage to the liver and thyroid.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND40ND
2017ND70ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 166 ppb

The EWG Health Guideline of 166 ppb for picloram was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to internal organs.

EPA Maximum Contaminant
Level (MCL) 500 ppb

The legal limit for picloram, established in 1992, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-06-05E120400844ND
2012-06-05E120400839ND
2012-06-05E120400849ND
2012-06-05E120400820ND
2013-04-23E130202484ND
2013-04-23E130202511ND
2013-04-23E130202504ND
2013-04-23E130202513ND
2014-04-22E140308611ND
2014-04-22E140308602ND
2014-04-22E140308588ND
2014-04-22E140308577ND
2015-04-23VA010-DCLSND
2015-04-23VA010-DCLSND
2015-04-23VA010-DCLSND
2015-04-23VA010-DCLSND
2016-04-25E160305678ND
2016-04-25E160305662ND
2016-04-25E160305663ND
2016-04-25E160305651ND
2017-02-21E161203718ND
2017-02-21E161203728ND
2017-02-21E161203723ND
2017-04-19E170304720ND
2017-04-19E170304727ND
2017-04-19E170304728ND
2017-04-19E170304742ND