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EWG's Tap Water Database — 2021 UPDATE

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Picloram

Liberty Water Rio Rico

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

 

24

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
2016ND120ND
2017N/A00N/A
2018N/A00N/A
2019ND120ND

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
2016-05-183453953ND
2016-05-183453947ND
2016-05-183453941ND
2016-05-183453935ND
2016-06-273479517ND
2016-06-273479511ND
2016-08-233530512ND
2016-08-233530542ND
2016-08-233530536ND
2016-08-233530530ND
2016-08-233530524ND
2016-08-233530518ND
2019-04-094257188ND
2019-04-094257182ND
2019-04-094257176ND
2019-04-094257170ND
2019-04-094257164ND
2019-04-094257158ND
2019-08-124386017ND
2019-08-124386061ND
2019-08-124386055ND
2019-08-124386049ND
2019-08-124386029ND
2019-08-124386023ND