Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Picloram

Maryland American Water Company

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND50ND
2019ND20ND

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
2014-06-180120003_02_25671ND
2014-06-180120003_01_25676ND
2014-07-220120003_01_00029ND
2014-08-120120003_01_26567ND
2015-05-1228899901ND
2015-05-1228898301ND
2015-08-1830218701ND
2015-10-19E16001689001ND
2016-05-10E16004258012ND
2016-05-10E16004258014ND
2016-08-0932882201_AND
2016-08-0932882201ND
2017-04-19E17004142001ND
2017-05-0935398201ND
2017-05-0935392801ND
2017-08-0836568101ND
2018-05-0839313201ND
2018-05-1539310701ND
2018-06-04E18004355001ND
2018-08-0840555301_AND
2018-09-18E19000986001ND
2019-05-16438938ND
2019-05-21438925ND