Know Your Environment. Protect Your Health.

Methoxychlor

Quinlan South Subdivision

NOTE: Quinlan South Subdivision purchases water from Cash SUD which is required to test for methoxychlor. Sample information shown below was taken by Cash SUD.

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
2018ND10ND
2019ND10ND
2020ND40ND
2021ND10ND
2022ND10ND
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

NOTE: Quinlan South Subdivision purchases water from Cash SUD which is required to test for methoxychlor. Sample information shown below was taken by Cash SUD.

Date Lab ID Result
2018-02-12Q1805646006ND
2019-02-21Q1907745001ND
2020-02-04Q2004530001ND
2021-07-13Q2118249001ND
2022-07-26Q2221173003ND
2023-10-24Q2345749001ND