Know Your Environment. Protect Your Health.

Picloram

Cross Timbers Water Supply Corporation

NOTE: Cross Timbers Water Supply Corporation purchases water from Utrwd Regional Water Treatment Plant which is required to test for picloram. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

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
2018N/A00N/A
2019ND20ND
2020ND50ND
2021N/A00N/A
2022ND20ND
2023ND40ND

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: Cross Timbers Water Supply Corporation purchases water from Utrwd Regional Water Treatment Plant which is required to test for picloram. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

Date Lab ID Result
2019-03-07Q1909910002ND
2019-09-27Q1970279003ND
2022-01-25Q2202436006ND
2022-09-15Q2227673011ND