Know Your Environment. Protect Your Health.

Methoxychlor

City of Trinidad

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND20ND
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

Date Lab ID Result
2018-05-31Q1821775001ND
2019-03-04Q1908970004ND
2020-03-18Q2011900001ND
2020-09-24Q2037859002ND
2020-11-10Q2044163002ND
2021-02-04Q2103564001ND
2021-04-15Q2109768003ND
2022-05-16Q2214448005ND
2023-02-27Q2307801002ND
2023-05-11Q2318007002ND
2023-08-28Q2336744002ND
2023-11-20Q2349787002ND