Know Your Environment. Protect Your Health.

Methoxychlor

Paw Blue Mountain Division

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
2018N/A00N/A
2019ND10ND
2020ND100ND
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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
2019-07-1645238801ND
2020-04-2222086527.00ND
2020-04-2922278271.00ND
2020-04-2922278342.00ND
2020-05-1122278400.00ND
2020-05-1122278371.00ND
2020-07-2022668153.00ND
2020-07-2022668124.00ND
2020-08-1722861734.00ND
2020-08-1722861676.00ND
2020-08-1722861705.00ND
2023-04-1028766838.00ND
2023-04-1028766803.00ND
2023-04-1128766780.00ND
2023-04-1128766663.00ND
2023-06-0729172409.00ND
2023-07-1229363516.00ND
2023-07-1229363450.00ND
2023-07-2429363560.00ND
2023-07-2429363543.00ND
2023-07-2429363479.00ND