Know Your Environment. Protect Your Health.

Methoxychlor

City of Bowie

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
2020ND10ND
2021ND40ND
2022ND40ND
2023ND10ND

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
2018-06-05Q1822320001ND
2019-02-20Q1907486001ND
2020-03-18Q2011976001ND
2021-03-10Q2106369001ND
2021-05-12Q2112415001ND
2021-09-22Q2125955001ND
2021-11-29Q2132835001ND
2022-03-07Q2207648001ND
2022-05-11Q2214197003ND
2022-08-03Q2222249005ND
2022-10-11Q2230700003ND
2023-01-24Q2303291002ND