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EWG's Tap Water Database — 2021 UPDATE

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Methoxychlor

St Bernard Parish Waterworks

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.

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015ND40ND
2016ND40ND
2017ND20ND
2018ND40ND
2019ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-01-21AD88468ND
2014-01-21AD88468ND
2014-10-03AD98042ND
2014-10-03AD98042ND
2014-10-23AD98832ND
2014-10-23AD98832ND
2015-03-3035181567002ND
2015-03-3035181567002ND
2015-10-0635211176004ND
2015-10-0635211176004ND
2016-02-1735230188004ND
2016-02-1735230188004ND
2016-12-0835282294002ND
2016-12-0835282294002ND
2017-02-1635296025001ND
2017-02-1635296025001ND
2018-03-0635378295001ND
2018-03-0635378295001ND
2018-09-2435419983001ND
2018-09-2435419983001ND
2019-02-1435448755001ND
2019-02-1435448755001ND
2019-09-2435500301001ND
2019-09-2435500301001ND