Know Your Environment. Protect Your Health.

Methoxychlor

Schriever Water Treatment Service Area

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-02-2635377894003ND
2018-02-2635377894003ND
2018-08-2835414104001ND
2018-08-2835414104001ND
2019-02-1835449369001ND
2019-02-1835449369001ND
2019-08-2835494055001ND
2019-08-2835494055001ND
2020-01-2235526017001ND
2020-12-0335596465001ND
2021-03-1135619286001ND
2021-11-0435676092001ND
2022-03-0235701431001ND
2022-10-1235753131001ND
2023-03-2735789301002ND
2023-12-1435848534001ND