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EWG's Tap Water Database — 2019 UPDATE

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Methoxychlor

Lockport

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND50ND
2014N/A00N/A
2015ND100ND
2016N/A00N/A
2017N/A00N/A

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
2012-08-281208F10-001AND
2012-08-281208F10-010AND
2012-08-281208F10-007AND
2012-08-281208F10-004AND
2012-09-241209C46-001AND
2013-03-261303B65-004AND
2013-03-261303B65-001AND
2013-03-261303B65-007AND
2013-04-091304548-001AND
2013-04-091304548-004AND
2015-08-041508225-013AND
2015-08-041508225-010AND
2015-08-041508225-007AND
2015-08-041508225-004AND
2015-08-041508225-001AND
2015-11-101511802-003AND
2015-11-101511802-005AND
2015-11-101511802-001AND
2015-11-101511802-007AND
2015-11-101511802-009AND