Know Your Environment. Protect Your Health.

Picloram

Columbia Water Company

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
2018N/A00N/A
2019N/A00N/A
2020ND60ND
2021N/A00N/A
2022N/A00N/A
2023ND60ND

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
2020-04-0722172798.00ND
2020-04-0722172828.00ND
2020-04-1322172858.00ND
2020-07-0622757680.00ND
2020-07-0722757711.00ND
2020-07-1322757915.00ND
2023-04-0428859630.00ND
2023-04-1028859631.00ND
2023-04-1728859809.00ND
2023-07-1029455585.00ND
2023-07-1429455587.00ND
2023-07-1429455586.00ND