Know Your Environment. Protect Your Health.

Methoxychlor

Mt. Joy Boro 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.

 

17

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
2020ND90ND
2021N/A00N/A
2022N/A00N/A
2023ND60ND

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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021981341.00ND
2020-04-0922170942.00ND
2020-04-0922171109.00ND
2020-05-1922368366.00ND
2020-06-1022565227.00ND
2020-07-2122955066.00ND
2020-08-1122955132.00ND
2020-09-2223142296.00ND
2020-09-2223142326.00ND
2023-05-0929059148.00ND
2023-05-1529059179.00ND
2023-05-1629059180.00ND
2023-08-0129657071.00ND
2023-08-0229657072.00ND
2023-08-1529846307.00ND