Know Your Environment. Protect Your Health.

Picloram

Town of Ridgecrest Water Supply

NOTE: Town of Ridgecrest Water Supply purchases water from Town of Ferriday Water System which is required to test for picloram. Sample information shown below was taken by Town of Ferriday Water System.

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
2019ND80ND
2020ND20ND
2021N/A00N/A
2022ND40ND
2023N/A00N/A

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: Town of Ridgecrest Water Supply purchases water from Town of Ferriday Water System which is required to test for picloram. Sample information shown below was taken by Town of Ferriday Water System.

Date Lab ID Result
2019-08-1535491138001ND
2019-08-1535491138002ND
2019-08-1535491138003ND
2019-08-1535491138004ND
2019-08-1535491138001ND
2019-08-1535491138002ND
2019-08-1535491138003ND
2019-08-1535491138004ND
2022-06-2035726996001ND
2022-06-2035726996002ND
2022-06-2035726996003ND
2022-06-2035726996004ND