Know Your Environment. Protect Your Health.

Picloram

Marietta Public Works 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

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
2018-08-081808227ND
2018-08-081808228ND
2018-08-081808229ND
2018-12-051812117ND
2018-12-051812118ND
2018-12-051812116ND
2019-02-061902152ND
2019-02-061902153ND
2019-02-061902154ND
2019-06-051906164ND
2019-06-051906165ND
2019-06-051906166ND
2020-04-22100773-01ND
2020-04-22100775-01ND
2020-04-22100774-01ND
2021-04-14105829-01ND
2021-05-05106064-01ND
2021-05-05106065-01ND
2022-04-19111223-01ND
2022-05-04111422-01ND
2022-05-04111423-01ND
2023-05-17117054-01ND
2023-05-17117055-01ND
2023-05-17117056-01ND