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EWG's Tap Water Database — 2021 UPDATE

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Picloram

Cottonwood Municipal Water Vv6

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
2016-03-07201603090146SCND
2016-03-07201603090146SBND
2016-03-07201603090146SAND
2016-03-07201603090144SCND
2016-03-07201603090144SBND
2016-03-07201603090144SAND
2016-08-23201608240125SAND
2016-08-23201608240127SCND
2016-08-23201608240127SBND
2016-08-23201608240127SAND
2016-08-23201608240125SCND
2016-08-23201608240125SBND
2019-02-19201902200086SCND
2019-02-19201902200086SBND
2019-02-19201902200086SAND
2019-02-19201902200082SCND
2019-02-19201902200082SBND
2019-02-19201902200082SAND
2019-05-07201905080040SAND
2019-05-07201905080044SCND
2019-05-07201905080044SBND
2019-05-07201905080044SAND
2019-05-07201905080040SCND
2019-05-07201905080040SBND