Know Your Environment. Protect Your Health.

Picloram

North Central Texas Municipal Water Authority

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021ND40ND
2022ND20ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-13Q1806366008ND
2018-02-13Q1806366009ND
2019-03-07Q1909867002ND
2020-05-26Q2020617004ND
2021-05-18Q2112967007ND
2021-05-18Q2112967017ND
2021-08-24Q2122978016ND
2021-12-09Q2134685007ND
2022-03-02Q2207242015ND
2022-09-07Q2226614013ND
2023-03-08Q2309188003ND