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EWG's Tap Water Database — 2021 UPDATE

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Methoxychlor

Epcor Water - Sun City

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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND10ND
2015ND170ND
2016ND20ND
2017ND10ND
2018ND170ND
2019ND40ND

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
2014-02-044020229-01ND
2015-01-155011290-01SND
2015-01-155011289-01ND
2015-01-225011809-01SND
2015-02-055020637-01SND
2015-02-055020636-01SND
2015-03-055030501-01SND
2015-06-025060272-01SND
2015-06-115061157-01ND
2015-06-125061246-01ND
2015-07-215071938-01SND
2015-07-215071937-01ND
2015-07-295072657-01ND
2015-08-075080692-01ND
2015-08-075080691-01ND
2015-08-125081113-01ND
2015-10-095101233-01TND
2015-10-095101232-01ND
2016-03-176031596-01ND
2016-06-086060732-01ND
2017-02-087020793-01ND
2018-02-0518B0335-01 SOCND
2018-02-0518B0334-01 SOCND
2018-02-1218B1066-01ND
2018-02-1218B1065-01 IOCND
2018-02-1518B1536-01 SOCND
2018-02-1518B1535-01 SOCND
2018-02-1618B1612-01 SOCND
2018-06-1318F1372-01 SOCND
2018-08-0118H0151-01 SOCND
2018-08-0118H0152-01 SOCND
2018-08-1418H1524-01 SOCND
2018-08-1418H1518-01 SOCND
2018-08-2018H2046-01 SOCND
2018-08-2018H2041-01 SOCND
2018-08-3118H3241-01 SOCND
2018-10-3018J3163-01ND
2018-11-0618K0561-01 SOCND
2019-01-2919A3043-01ND
2019-04-2519D2839-01ND
2019-07-2419G2839-01ND
2019-07-2419G2839-02ND