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EWG's Tap Water Database — 2021 UPDATE

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Picloram

Wallace, Town of

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND160ND
2017N/A00N/A
2018N/A00N/A
2019ND140ND

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
2016-06-0137729_16-17206ND
2016-06-0137729_16-17207ND
2016-06-0137729_16-17209ND
2016-06-0137729_16-17210ND
2016-06-0137729_16-17211ND
2016-06-0137729_16-17212ND
2016-06-0137729_16-17213ND
2016-06-0137729_16-17205ND
2016-12-2237729_16-44568ND
2016-12-2237729_16-44567ND
2016-12-2237729_16-44566ND
2016-12-2237729_16-44565ND
2016-12-2237729_16-44563ND
2016-12-2237729_16-44562ND
2016-12-2237729_16-44561ND
2016-12-2237729_16-44564ND
2019-08-1437729_19-34853 ND
2019-08-1437729_19-34839 ND
2019-08-1437729_19-34827 ND
2019-08-1437729_19-34817 ND
2019-08-1437729_19-34806 ND
2019-08-1437729_19-34796 ND
2019-08-1937729_19-35357 ND
2019-09-1837729_19-40268 ND
2019-11-2737729_19-50855 ND
2019-11-2737729_19-50854 ND
2019-11-2737729_19-50853 ND
2019-11-2737729_19-50852 ND
2019-11-2737729_19-50851 ND
2019-11-2737729_19-50849 ND