Know Your Environment. Protect Your Health.

Methoxychlor

Upper Hanover Water 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.

 

20

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
2020ND70ND
2021N/A00N/A
2022N/A00N/A
2023ND130ND

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
2020-03-2021847969.00ND
2020-03-2021847967.00ND
2020-03-2021847968.00ND
2020-06-1822417339.00ND
2020-06-1822417342.00ND
2020-06-1822417340.00ND
2020-06-1822417341.00ND
2023-02-2828703065.00ND
2023-02-2828703067.00ND
2023-02-2828703066.00ND
2023-05-2429108922.00ND
2023-05-2429108924.00ND
2023-05-2429108923.00ND
2023-08-2129700627.00ND
2023-08-2129700626.00ND
2023-08-2229700628.00ND
2023-11-1330246607.00ND
2023-11-1330246579.00ND
2023-11-1430246551.00ND
2023-11-2830246523.00ND