Know Your Environment. Protect Your Health.

Methoxychlor

Fairfield

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-04-108042028-01ND
2018-06-128062293-01ND
2019-06-199063888-01ND
2019-09-0919I0282-01ND
2019-11-0419K0055-01ND
2020-01-2720A0514-01ND
2020-05-1820E0308-01ND
2020-07-2020G0542-01ND
2020-10-0720J0263-01ND
2021-03-0221C0093-01ND
2021-04-1321D0382-01ND
2021-07-1921G0740-01ND
2021-11-0221K0129-01ND
2022-03-0122C0054-01ND
2022-04-2522D0598-01ND
2022-08-0222H0165-01ND
2022-10-1122J0527-01ND
2023-01-1723A0258-01ND
2023-05-0123E0046-01ND
2023-07-3123H0025-01ND
2023-10-1123J0488-01ND