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EWG's Tap Water Database — 2019 UPDATE

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Methoxychlor

City of Phoenix

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.

 

83

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND80ND
2014ND220ND
2015ND30ND
2016ND20ND
2017ND440ND

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
2012-01-0320120103015SND
2012-01-10201201110315SND
2012-01-25201201250413SND
2012-11-07201211070496SND
2013-02-15201302150476SND
2013-02-15201302150469SND
2013-04-16201304160135SND
2013-04-16201304160125SND
2013-07-17201307170558SND
2013-07-23201307230516SND
2013-10-21201310210141SND
2013-10-24201310240748SND
2014-01-08201401080632SND
2014-01-15201401170162SND
2014-01-15201401150537SND
2014-01-16201401170153SND
2014-01-16201401160568SND
2014-01-21201401210437SND
2014-01-21201401210419SND
2014-02-122873245ND
2014-02-18201402180229SND
2014-02-19201402190362SND
2014-02-26201402260762SND
2014-04-07201404080428SND
2014-07-01201407010385SND
2014-07-01201407010326SND
2014-07-02201407020640SND
2014-07-08201407090997SND
2014-07-09201407090990SND
2014-07-15201407150420SND
2014-07-16201407160711SND
2014-07-22201407220312SND
2014-07-23201407230696SND
2014-07-23201407230689SND
2015-02-03201502030363SND
2015-07-08201507090340SND
2015-10-06201510060432SND
2016-01-05201601060237SND
2016-07-05201607050432SND
2017-01-04201701050396SND
2017-01-04201701050475SND
2017-01-04201701050450SND
2017-01-04201701050376SND
2017-01-04201701040662SND
2017-01-05201701050485SND
2017-01-10201701100458SND
2017-01-10201701100450SND
2017-01-11201701120610SND
2017-01-11201701120603SND
2017-01-17201701180221SND
2017-01-17201701180214SND
2017-01-18201701180349SND
2017-01-18201701180237SND
2017-01-25201701250401SND
2017-01-25201701250388SND
2017-02-01201702010374SND
2017-02-08201702080305SND
2017-02-22201702220343SND
2017-03-28201703280848SND
2017-04-27201704270400SND
2017-04-27201704270389SND
2017-07-05201707050526SND
2017-07-11201707110868SND
2017-07-11201707110862SND
2017-07-12201707130583SND
2017-07-12201707130577SND
2017-07-13201707130643SND
2017-07-13201707130607SND
2017-07-13201707130600SND
2017-07-13201707130596SND
2017-07-13201707130590SND
2017-07-18201707190868SND
2017-07-19201707190851SND
2017-07-26201707280154SND
2017-07-27201707280177SND
2017-07-27201707280164SND
2017-08-01201708020915SND
2017-08-01201708020900SND
2017-08-02201708030625SND
2017-08-02201708030619SND
2017-08-03201708030640SND
2017-10-10201710100358SND
2017-10-12201710120504SND