Know Your Environment. Protect Your Health.

Methoxychlor

Medfield Estates S/d

Methoxychlor is an endocrine-disrupting, neurotoxic insecticide similar to DDT. Banned in the U.S. in 2002, methoxychlor was historically used on farm animals and in animal feed, lumber, gardens and agricultural crops.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND40ND
2021ND60ND
2022ND20ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.09 ppb

The EWG Health Guideline of 0.09 ppb for methoxychlor 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL): 40 ppb

The legal limit for methoxychlor, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-05CA18367-01ND
2018-04-05CB03434-02ND
2018-04-12CB05700-01ND
2018-05-02CB06590-01ND
2019-04-16CC04241-01ND
2020-01-08CC20032-01ND
2020-04-28CD04738-01ND
2020-07-21CD08305-01ND
2020-10-07CD13713-01ND
2021-01-20CD18671-01ND
2021-05-20CE02776-01ND
2021-05-20CE02776-02ND
2021-05-20CE02776-03ND
2021-05-20CE02776-04ND
2021-08-18CE07560-01ND
2022-01-25CE17864-01ND
2022-06-15CF02387-01ND
2023-03-08752-4138-1ND