Know Your Environment. Protect Your Health.

Methoxychlor

Hampton Shaler Water Authority

NOTE: Hampton Shaler Water Authority purchases water from West View Water Authority which is required to test for methoxychlor. Sample information shown below was taken by West View Water 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.

 

11

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
2022ND10ND
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

NOTE: Hampton Shaler Water Authority purchases water from West View Water Authority which is required to test for methoxychlor. Sample information shown below was taken by West View Water Authority.

Date Lab ID Result
2020-02-1821755798.00ND
2020-04-0722119895.00ND
2020-04-0722119925.00ND
2020-07-2222898312.00ND
2020-07-2222898342.00ND
2020-11-0923449009.00ND
2022-08-1527338626.00ND
2023-05-0229004433.00ND
2023-05-0229004434.00ND
2023-08-0129600638.00ND
2023-08-0129600639.00ND