Know Your Environment. Protect Your Health.

Methoxychlor

Collegeville Trappe Joint Public Works Department

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.

 

41

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
2020ND200ND
2021N/A00N/A
2022N/A00N/A
2023ND210ND

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
2020-05-0422213286.00ND
2020-05-0422213226.00ND
2020-05-0422213256.00ND
2020-05-1822213523.00ND
2020-05-1822213493.00ND
2020-05-1822213553.00ND
2020-05-1822213463.00ND
2020-06-0822414138.00ND
2020-06-0822414108.00ND
2020-06-0822414078.00ND
2020-08-0322797317.00ND
2020-08-0322797287.00ND
2020-08-0322797258.00ND
2020-08-0322797482.00ND
2020-08-0322797347.00ND
2020-08-1722797863.00ND
2020-08-1722797834.00ND
2020-08-1722797805.00ND
2020-08-1722797775.00ND
2020-08-1722797746.00ND
2023-04-1728700763.00ND
2023-04-1728700764.00ND
2023-04-1728700762.00ND
2023-04-1728700760.00ND
2023-04-1728700761.00ND
2023-04-1728700759.00ND
2023-05-0128898892.00ND
2023-05-0128898893.00ND
2023-05-0128898891.00ND
2023-05-0128898890.00ND
2023-07-2429495663.00ND
2023-07-2429495654.00ND
2023-07-2429495659.00ND
2023-07-2429495658.00ND
2023-07-2429495657.00ND
2023-07-2429495656.00ND
2023-08-0729495661.00ND
2023-08-0729495662.00ND
2023-08-0729495655.00ND
2023-08-0729495660.00ND
2023-11-2030070244.00ND