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EWG's Tap Water Database — 2019 UPDATE

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Picloram

Charlotte Water

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND100ND
2013ND80ND
2014N/A00N/A
2015ND150ND
2016N/A00N/A
2017ND150ND

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
2012-02-092589816ND
2012-02-092589822ND
2012-02-092589828ND
2012-02-092589834ND
2012-02-092589810ND
2012-08-072689112ND
2012-08-072689118ND
2012-08-072689124ND
2012-08-072689130ND
2012-08-072689136ND
2013-03-27201303290113ND
2013-03-27201303290111ND
2013-03-27201303290112ND
2013-06-25201306260245ND
2013-06-25201306260261ND
2013-06-25201306260199ND
2013-09-04201309050362ND
2013-09-04201309060280ND
2015-06-25ND
2015-06-25ND
2015-06-25ND
2015-06-25ND
2015-06-25ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2015-11-17ND
2017-02-0992329527001SOCND
2017-02-0992329527005SOCND
2017-02-0992329527004SOCND
2017-02-0992329527003SOCND
2017-02-0992329527002SOCND
2017-05-1092340277005SOCND
2017-05-1092340277004SOCND
2017-05-1092340277003SOCND
2017-05-1092340277002SOCND
2017-05-1092340277001SOCND
2017-07-0592346756001SOCND
2017-07-0592346756002SOCND
2017-07-0592346756003SOCND
2017-07-0592346756004SOCND
2017-07-0592346756005SOCND