Know Your Environment. Protect Your Health.

Picloram

City of Obrien

NOTE: City of Obrien purchases water from North Central Texas Municipal Water Authority which is required to test for picloram. Sample information shown below was taken by 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
2022ND10ND
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

NOTE: City of Obrien purchases water from North Central Texas Municipal Water Authority which is required to test for picloram. Sample information shown below was taken by North Central Texas Municipal Water Authority.

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