Know Your Environment. Protect Your Health.

Methoxychlor

San Jacinto Special Utility District

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND60ND
2021ND50ND
2022ND40ND
2023ND50ND

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
2018-03-12AE18028ND
2018-03-12AE18010ND
2019-03-13AE58301ND
2019-06-06AE69541ND
2019-08-01AE76897ND
2019-12-05AE91519ND
2020-01-22AE94516ND
2020-03-10AF02092ND
2020-03-10AF02093ND
2020-05-26AF12688ND
2020-09-29AF28912ND
2020-11-17AF34955ND
2021-03-08AF45824ND
2021-03-08AF45810ND
2021-05-13AF53927ND
2021-08-05AF65131ND
2021-10-27Q2130372001ND
2022-01-24AF81433ND
2022-05-02AF95175ND
2022-09-12AG12518ND
2022-12-13AG21701ND
2023-03-14AG33056ND
2023-03-14AG33057ND
2023-06-08AG43836ND
2023-09-12AG55860ND
2023-12-01AG65333ND