Know Your Environment. Protect Your Health.

Picloram

Ely Municipal Water Department

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.290 ppb110.290 ppb
20190.420 ppb21ND - 0.840 ppb
20200.720 ppb110.720 ppb
20210.313 ppb330.280 ppb - 0.380 ppb
20220.0640 ppb51ND - 0.320 ppb
20230.0700 ppb21ND - 0.140 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
2018-03-282018033006340.290 ppb
2019-03-072019031403980.840 ppb
2019-09-26201910010466ND
2020-03-122020031701390.720 ppb
2021-03-252021033004230.280 ppb
2021-03-2521030759-001A0.280 ppb
2021-12-092021121506550.380 ppb
2022-03-102022031600740.320 ppb
2022-05-12380-1966-1ND
2022-07-07380-9979-1ND
2022-08-25810-36089-1ND
2022-08-25810-36089-2ND
2023-05-10380-47459-1ND
2023-11-08380-71012-10.140 ppb