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EWG's Tap Water Database — 2019 UPDATE

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Methoxychlor

Connecticut Water Company - Shoreline Region-chester System

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND50ND
2014ND10ND
2015ND10ND
2016ND40ND
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
2012-01-04070SOC2ND
2013-01-08245SOC2ND
2013-01-17130117CWCCSOC2ND
2013-04-11130412CWCASOC2ND
2013-06-20130621CWCSOC2ND
2013-07-16130716CWCFSOC2ND
2014-01-29140130CWCCSOC2ND
2015-06-09BJ28007SOCRND
2016-01-27BK58356SOCRND
2016-05-04BN25257SOC2ND
2016-07-12BN71472SOC2ND
2016-07-19BN75759SOC2ND
2017-06-12BY37361SOCRND