Know Your Environment. Protect Your Health.

Methoxychlor

Prairie Hill Water Supply Corporation

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
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
2018-02-28Q1808375007ND
2018-05-16Q1820016002ND
2018-08-28Q1834469002ND
2018-11-30Q1848870002ND
2019-03-06Q1909672001ND
2019-06-18Q1937231001ND
2019-09-17Q1966444001ND
2019-11-20Q1977662001ND
2020-02-04Q2004537003ND
2020-04-16Q2015046001ND
2020-07-27Q2029176001ND
2020-12-10Q2049384001ND
2021-02-01Q2102880001ND
2021-05-18Q2112934001ND
2021-09-16Q2125445001ND
2021-11-17Q2132319001ND
2022-03-03Q2207369001ND
2022-06-07Q2215833001ND
2022-08-22Q2224811002ND
2022-10-27Q2232634002ND
2023-03-08Q2309137004ND
2023-05-30Q2319930001ND
2023-09-19Q2340255001ND
2023-11-03Q2347302001ND