Know Your Environment. Protect Your Health.

Methoxychlor

City of Hearne

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND30ND
2020ND20ND
2021ND40ND
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
2018-06-21AE31058ND
2018-06-21AE31059ND
2018-06-21AE31060ND
2018-06-21AE31057ND
2019-05-16AE66972ND
2019-05-16AE66973ND
2019-08-20AE79659ND
2020-04-23AF07887ND
2020-06-30AF17398ND
2021-06-08AF57037ND
2021-06-08AF57038ND
2021-06-08AF57039ND
2021-06-08AF57052ND
2022-06-22AG02037ND
2022-06-22AG02038ND
2023-07-27AG50476ND
2023-07-27AG50483ND