Know Your Environment. Protect Your Health.

Picloram

CTWC - Shoreline Region-Guilford 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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND150ND
2020N/A00N/A
2021ND10ND
2022ND160ND
2023ND10ND

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
2018-07-09CA86688ND
2019-01-30SOC 200520057ND
2019-06-06SOC 200535308ND
2019-06-06SOC 200535309ND
2019-06-11SOC 200536055ND
2019-06-11SOC 200536054ND
2019-06-19SOC 200542695ND
2019-06-24SOC 200537520ND
2019-07-29SOC 200542348ND
2019-07-30SOC 200542453ND
2019-07-31SOC 200542480ND
2019-07-31SOC 200542466ND
2019-07-31SOC 200542497ND
2019-07-31SOC 200542499ND
2019-07-31SOC 200542468ND
2019-08-14SOC 200544869ND
2021-09-30S300072074 300072087ND
2022-06-14CL56474ND
2022-06-14CL56472ND
2022-06-14CL56470ND
2022-06-15CL57887ND
2022-06-15CL57885ND
2022-06-22CL62297ND
2022-06-28CL66245ND
2022-07-18CL80434ND
2022-07-18CL80436ND
2022-07-18CL80438ND
2022-07-18CL80432ND
2022-07-25CL88838ND
2022-07-25CL88842ND
2022-08-29CM17828ND
2022-08-29CM17831ND
2022-10-19CM66672ND
2023-02-13CN41859ND