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EWG's Tap Water Database — 2021 UPDATE

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Picloram

Westchester County WD #2

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
20170.0467 ppb31ND - 0.140 ppb
2018ND10ND
2019ND10ND

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
2014-06-051406525-001 SOCND
2015-06-171506G79-001 SOCND
2016-05-131605C84-001 SOCND
2017-06-157021782001 SOCND
2017-08-047026292 SOC RESA0.140 ppb
2017-10-197033697001 SOC RND
2018-05-117051465001 SOCSND
2019-05-317091709001 SOCSND