Know Your Environment. Protect Your Health.

Picloram

Chalk Hill Special Utility District

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND50ND

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
2018-06-20Q1824487002ND
2019-01-10Q1901411005ND
2020-03-23Q2012183002ND
2020-12-17Q2050083012ND
2020-12-17Q2050083013ND
2021-11-09Q2131359008ND
2022-12-13Q2237298010ND
2023-03-20Q2310465007ND
2023-05-23Q2319409001ND
2023-05-23Q2319409012ND
2023-07-27Q2330274001ND
2023-10-19Q2344966001ND