Know Your Environment. Protect Your Health.

Methoxychlor

B C Y Water Supply Corporation

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
2018ND10ND
2019ND40ND
2020ND30ND
2021ND20ND
2022ND40ND
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
2018-06-21Q1824846001ND
2019-03-13Q1910550003ND
2019-03-13Q1910550007ND
2019-03-13Q1910550012ND
2019-03-13Q1910550016ND
2020-02-10Q2005314009ND
2020-03-02Q2007756003ND
2020-05-14Q2019563001ND
2021-09-21Q2125818001ND
2021-09-21Q2125818002ND
2022-10-27Q2232551001ND
2022-10-27Q2232551003ND
2022-10-27Q2232551004ND
2022-10-27Q2232551005ND
2023-01-10Q2301214007ND
2023-11-13Q2348410005ND