Know Your Environment. Protect Your Health.

2,4-D

Lakehaven Utility District

2,4-D (2,4-dichlorophenoxyacetic acid) is a herbicide that can be applied directly to GMO corn and soy plants engineered to withstand this toxic chemical. Americans' exposures to 2,4-D from food and drinking water will likely increase in years to come as farmers plant more of these GMO crops. Read More.

2,4-D is an endocrine disruptor that interferes with thyroid hormones. The International Agency for Research on Cancer classifies 2,4-D as possibly carcinogenic to humans. In occupational studies, farmers exposed to 2,4-D tended to have higher incidences of damaged and malformed sperm. Laboratory animals exposed to 2,4-D during gestation are born underdeveloped and are more likely to have birth defects.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND70ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND110ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 20 ppb

The EWG Health Guideline of 20 ppb for 2,4-D 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 2,4-D, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s. This limit may not fully protect against harm to the nervous system, harm to the thyroid, and hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-19ND
2018-08-08ND
2018-08-29ND
2019-06-05ND
2019-06-05ND
2019-06-12ND
2019-06-12ND
2019-07-31ND
2019-08-06ND
2019-09-04ND
2023-05-024458160ND
2023-05-024455700ND
2023-06-274481505ND
2023-06-274481505ND
2023-06-274481506ND
2023-06-274481506ND
2023-06-274481506ND
2023-07-114486069ND
2023-07-114486069ND
2023-07-254491355ND
2023-10-104541740ND