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EWG's Tap Water Database — 2021 UPDATE

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Methoxychlor

Waterbury Water Department

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND30ND
2016ND30ND
2017ND40ND
2018ND40ND
2019ND10ND

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
2014-09-25RWA200405008SOC2ND
2014-10-07RWA200405696SOCRND
2014-10-07RWA200405697SOCRND
2014-10-07RWA200405698SOCRND
2014-11-1320096SOC2ND
2015-11-05RWA200428304SOCRND
2015-11-05RWA200428305SOCRND
2015-11-05RWA200428306SOCRND
2016-10-13RWA200452356SOCRND
2016-10-13RWA200452355SOCRND
2016-10-13RWA200452354SOCRND
2017-09-27200478156SOC2ND
2017-09-27200478147SOCRND
2017-09-27200478150SOCRND
2017-09-27200478153SOCRND
2018-10-17RWA200509564SOCRND
2018-10-17RWA200509566SOCRND
2018-10-17RWA200509568SOCRND
2018-10-18RWA200509712SOC2ND
2019-01-15RWA200518766SOC2ND