Know Your Environment. Protect Your Health.

Methoxychlor

Ephrata Area Joint Authority

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.

 

18

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
2020ND80ND
2021N/A00N/A
2022ND20ND
2023ND80ND

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
2020-04-0622168908.00ND
2020-04-1322169072.00ND
2020-04-1322169071.00ND
2020-04-1622365690.00ND
2020-07-1322754002.00ND
2020-07-1322754001.00ND
2020-07-1422754065.00ND
2020-07-1722952566.00ND
2022-04-1226604785.00ND
2022-04-1226604798.00ND
2023-04-1429056920.00ND
2023-04-1429056918.00ND
2023-04-1429057123.00ND
2023-04-1429056919.00ND
2023-07-1129654721.00ND
2023-07-1829654888.00ND
2023-08-0929844081.00ND
2023-08-2929844120.00ND