Know Your Environment. Protect Your Health.

Picloram

North Wales 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.

 

35

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
2020ND200ND
2021N/A00N/A
2022ND10ND
2023ND140ND

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
2020-04-0122025485.00ND
2020-04-2022026150.00ND
2020-04-2022026180.00ND
2020-04-2022026120.00ND
2020-04-2022026090.00ND
2020-04-2722217311.00ND
2020-04-2722217371.00ND
2020-04-2722217415.00ND
2020-04-2722217281.00ND
2020-04-2722217341.00ND
2020-07-0622609708.00ND
2020-07-2722801118.00ND
2020-07-2722801149.00ND
2020-07-2722801173.00ND
2020-07-2722801088.00ND
2020-07-2722801209.00ND
2020-08-3123001482.00ND
2020-08-3123001454.00ND
2020-08-3123001426.00ND
2020-08-3123001510.00ND
2022-07-0527039494.00ND
2023-04-0328704971.00ND
2023-04-0328704967.00ND
2023-04-0328704970.00ND
2023-04-0328704969.00ND
2023-04-0328704968.00ND
2023-04-0428704966.00ND
2023-06-2729110715.00ND
2023-07-1029304342.00ND
2023-07-1029304341.00ND
2023-07-1029304339.00ND
2023-07-1029304338.00ND
2023-07-1129304343.00ND
2023-07-1129304340.00ND
2023-07-1129304344.00ND