Know Your Environment. Protect Your Health.

Picloram

Warwick, City of

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.401 ppb440.363 ppb - 0.444 ppb
20190.628 ppb440.523 ppb - 0.902 ppb
20201.23 ppb440.589 ppb - 2.92 ppb
20210.637 ppb220.634 ppb - 0.640 ppb
20220.685 ppb440.519 ppb - 0.865 ppb
20230.771 ppb440.566 ppb - 0.918 ppb

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
2018-03-2018-S3590.444 ppb
2018-07-2418-S12410.409 ppb
2018-09-0418-S19450.363 ppb
2018-11-0618-S23180.386 ppb
2019-02-2519-S2430.523 ppb
2019-05-2919-S6810.547 ppb
2019-09-1019-S19710.902 ppb
2019-11-0619-S23730.538 ppb
2020-02-193615020.647 ppb
2020-06-293698750.589 ppb
2020-09-223735862.92 ppb
2020-12-153743670.748 ppb
2021-02-243797630.634 ppb
2021-06-093809490.640 ppb
2022-03-013926190.519 ppb
2022-06-093963660.756 ppb
2022-08-304009970.599 ppb
2022-11-154038500.865 ppb
2023-01-094058230.834 ppb
2023-05-234117440.918 ppb
2023-09-124161550.566 ppb
2023-11-074189430.764 ppb