Know Your Environment. Protect Your Health.

Methoxychlor

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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
2018ND20ND
2019ND20ND
2020N/A00N/A
2021ND100ND
2022ND10ND
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
2018-04-2418D1315-02ND
2018-07-2318G1367-01ND
2019-06-0519F0236-01ND
2019-07-2419G1712-01ND
2021-08-0421H0282-01ND
2021-08-0421H0282-02ND
2021-08-0421H0282-03ND
2021-08-0421H0282-04ND
2021-08-0421H0282-05ND
2021-10-2621J1363-01ND
2021-10-2621J1363-02ND
2021-10-2621J1363-03ND
2021-10-2621J1363-04ND
2021-10-2621J1365-01ND
2022-11-1022K0560-02ND
2023-03-1623C0820-01ND