Know Your Environment. Protect Your Health.

Methoxychlor

Paw Penn 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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020ND150ND
2021N/A00N/A
2022N/A00N/A
2023ND140ND

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
2019-07-1545716201ND
2019-10-3143999701ND
2020-04-0622069244.00ND
2020-04-0622069215.00ND
2020-04-0822069375.00ND
2020-04-0822069433.00ND
2020-04-1422069346.00ND
2020-04-1622069462.00ND
2020-04-1622069404.00ND
2020-05-0622261472.00ND
2020-07-0122652296.00ND
2020-07-0122652267.00ND
2020-07-0122652383.00ND
2020-07-0922652209.00ND
2020-07-0922652238.00ND
2020-07-0922652325.00ND
2020-07-1322652354.00ND
2023-04-0628749320.00ND
2023-04-0628749471.00ND
2023-04-0628749451.00ND
2023-04-1328749407.00ND
2023-04-1328749378.00ND
2023-04-1328749349.00ND
2023-06-0729155712.00ND
2023-07-1329346827.00ND
2023-07-1329346850.00ND
2023-07-1329346798.00ND
2023-07-1329346894.00ND
2023-07-2029346769.00ND
2023-07-2029346740.00ND
2023-07-2029346711.00ND