Know Your Environment. Protect Your Health.

Picloram

Lignite, 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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.165 ppb440.104 ppb - 0.217 ppb
20190.187 ppb42ND - 0.528 ppb
20200.390 ppb43ND - 1.14 ppb
20210.0788 ppb42ND - 0.168 ppb
20220.113 ppb54ND - 0.199 ppb
20230.0960 ppb42ND - 0.231 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
2018-03-1918-S3540.104 ppb
2018-07-2318-S12260.150 ppb
2018-09-0418-S19460.187 ppb
2018-11-0518-S23100.217 ppb
2019-02-2619-S244ND
2019-05-2019-S6560.219 ppb
2019-09-1019-S19670.528 ppb
2019-11-0419-S2352ND
2020-02-183615010.204 ppb
2020-06-29369874ND
2020-09-223735881.14 ppb
2020-12-213743680.215 ppb
2021-02-223797620.168 ppb
2021-06-073809480.147 ppb
2021-09-13386525ND
2021-12-06389480ND
2022-02-283926180.106 ppb
2022-03-213952850.108 ppb
2022-06-063963630.199 ppb
2022-08-294009940.152 ppb
2022-11-15403854ND
2023-01-094058180.231 ppb
2023-04-104093150.153 ppb
2023-09-11416138ND
2023-11-07418942ND