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EWG's Tap Water Database — 2019 UPDATE

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Methoxychlor

City of Wichita Falls

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND20ND
2014ND30ND
2015ND40ND
2016ND10ND
2017ND10ND

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
2012-03-271203944002ND
2012-05-161205609003ND
2012-05-161205609004ND
2012-09-121209458001ND
2013-03-261303A43005ND
2013-03-261303A43006ND
2014-05-13Q1415816001ND
2014-08-14Q1436796020ND
2014-11-12AC71871ND
2015-02-09Q1505019004ND
2015-02-09Q1505019003ND
2015-05-11Q1517193001ND
2015-09-22Q1537019001ND
2016-02-01Q1604190001ND
2017-08-07Q1733093006ND