Know Your Environment. Protect Your Health.

Methoxychlor

Tahoe Keys Water Company

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.

 

6

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
2020ND30ND
2021N/A00N/A
2022N/A00N/A
2023ND30ND

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
2020-05-26CA0910015_001_001-202005260700ND
2020-05-26CA0910015_003_003-202005260845ND
2020-05-26CA0910015_002_002-202005260800ND
2023-12-12CA0910015_001_001-202312120830ND
2023-12-12CA0910015_003_003-202312121030ND
2023-12-12CA0910015_002_002-202312121110ND