Know Your Environment. Protect Your Health.

Picloram

Harris County Municipal Utility District 23

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

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND100ND
2020ND20ND
2021ND10ND
2022ND90ND
2023ND20ND

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
2020-03-11AF02327ND
2020-03-11AF02337ND
2023-01-17AG24786ND
2023-04-06AG35914ND