Know Your Environment. Protect Your Health.

Methoxychlor

Duncannon Municipal Water

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND40ND
2021ND40ND
2022N/A00N/A
2023ND40ND

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
2018-11-138034793-01ND
2020-05-1122380593.00ND
2020-05-1822380552.00ND
2020-05-2622576465.00ND
2020-06-0122576493.00ND
2021-02-1524214623.00ND
2021-05-1124798812.00ND
2021-08-2425374671.00ND
2021-12-2825914325.00ND
2023-06-0629271820.00ND
2023-06-0629271793.00ND
2023-07-3129465044.00ND
2023-07-3129465095.00ND