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EWG's Tap Water Database — 2021 UPDATE

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Picloram

Lafayette Utilities 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.

MORE ABOUT THIS CONTAMINANT

 

94

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND300ND
2016ND140ND
2017ND40ND
2018ND200ND
2019ND240ND

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
2014-11-03AD99281ND
2014-11-03AD99281ND
2015-02-2335176705001ND
2015-02-2335176705001ND
2015-06-0835192506001ND
2015-06-0835192506001ND
2015-07-2735199527004ND
2015-07-2735199527001ND
2015-07-2735199527002ND
2015-07-2735199527003ND
2015-07-2735199527004ND
2015-07-2735199527005ND
2015-07-2735199527003ND
2015-07-2735199527002ND
2015-07-2735199527001ND
2015-07-2735199527005ND
2015-08-1735203222004ND
2015-08-1735203222003ND
2015-08-1735203222002ND
2015-08-1735203222001ND
2015-08-1735203222005ND
2015-08-1735203222005ND
2015-08-1735203222004ND
2015-08-1735203222003ND
2015-08-1735203222002ND
2015-08-1735203222001ND
2015-11-3035218949005ND
2015-11-3035218949003ND
2015-11-3035218949004ND
2015-11-3035218949005ND
2015-11-3035218949004ND
2015-11-3035218949003ND
2016-03-1435234164005ND
2016-03-1435234164005ND
2016-03-2135235879005ND
2016-03-2135235879005ND
2016-08-0835259258005ND
2016-08-0835259258005ND
2016-08-1535260131002ND
2016-08-1535260131004ND
2016-08-1535260131003ND
2016-08-1535260131004ND
2016-08-1535260131001ND
2016-08-1535260131003ND
2016-08-1535260131001ND
2016-08-1535260131002ND
2017-09-2535338379001ND
2017-09-2535338379001ND
2017-11-2735350946001ND
2017-11-2735350946001ND
2018-03-0535378308001ND
2018-03-0535378308001ND
2018-03-0535378308002ND
2018-03-0535378308003ND
2018-03-0535378308004ND
2018-03-0535378308005ND
2018-03-0535378308003ND
2018-03-0535378308004ND
2018-03-0535378308005ND
2018-03-0535378308002ND
2018-04-3035389627001ND
2018-04-3035389627001ND
2018-05-1435392629001ND
2018-05-1435392629001ND
2018-06-1935399735003ND
2018-06-1935399735003ND
2018-06-1935399735002ND
2018-06-1935399735001ND
2018-06-1935399735002ND
2018-06-1935399735001ND
2019-01-1435442609002ND
2019-01-1435442609002ND
2019-01-1435442609001ND
2019-01-1435442609001ND
2019-08-1235490056003ND
2019-08-1235490056005ND
2019-08-1235490056004ND
2019-08-1235490056002ND
2019-08-1235490056001ND
2019-08-1235490056001ND
2019-08-1235490056002ND
2019-08-1235490056003ND
2019-08-1235490056004ND
2019-08-1235490056005ND
2019-09-1135497252001ND
2019-09-1135497252005ND
2019-09-1135497252004ND
2019-09-1135497252003ND
2019-09-1135497252002ND
2019-09-1135497252001ND
2019-09-1135497252005ND
2019-09-1135497252004ND
2019-09-1135497252003ND
2019-09-1135497252002ND