Know Your Environment. Protect Your Health.

Methoxychlor

Pennsylvania American Royersford

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
2019N/A00N/A
2020ND110ND
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
2020-04-0822016225.00ND
2020-04-0822016109.00ND
2020-04-1522016310.00ND
2020-04-1522016282.00ND
2020-04-1522016254.00ND
2020-07-0722601599.00ND
2020-08-0522792288.00ND
2020-08-1122792232.00ND
2020-08-1122792260.00ND
2020-08-2622792694.00ND
2020-09-0922993343.00ND
2023-05-0128893361.00ND
2023-05-0128893389.00ND
2023-05-0128893294.00ND
2023-05-1128893333.00ND
2023-05-1128893417.00ND
2023-07-0629296039.00ND
2023-08-1029491116.00ND
2023-08-1029491083.00ND
2023-08-1029491137.00ND
2023-08-1029491050.00ND