Know Your Environment. Protect Your Health.

Methoxychlor

Franklin Water Supply

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND30ND
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
2018-05-0335390226001ND
2018-05-0335390226001ND
2018-07-0935403036001ND
2018-07-0935403036001ND
2019-01-1535442684001ND
2019-01-1535442684001ND
2020-01-0735522561001ND
2020-09-2835581275001ND
2021-02-1135611668001ND
2021-11-3035680898001ND
2022-01-0635688910 001ND
2022-01-0635688910001ND
2022-07-2835735504001ND
2023-01-3035776509001ND
2023-10-0935833396001ND