Know Your Environment. Protect Your Health.

Methoxychlor

State College Boro Water Auth.

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
2020ND100ND
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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
2020-05-1322292208.00ND
2020-05-1322292289.00ND
2020-05-1322292181.00ND
2020-05-1322292235.00ND
2020-05-1322292262.00ND
2020-08-1723069125.00ND
2020-08-1722876867.00ND
2020-08-1722876910.00ND
2020-08-1922876856.00ND
2020-08-3123069161.00ND
2023-06-0729186585.00ND
2023-06-0729186596.00ND
2023-06-0729186607.00ND
2023-06-0729186618.00ND
2023-06-0729186574.00ND
2023-08-1429577837.00ND
2023-08-1629578203.00ND
2023-08-1629578145.00ND
2023-08-1629578174.00ND
2023-08-1629578232.00ND