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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

California American Water Company - Parkway

Methomyl is an extremely toxic carbamate insecticide that targets the nervous system. In 2015 the EPA restricted some uses of methomyl on some food crops to reduce risks to human health.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND160ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-08-089590-002-1100ND
2018-08-099590-006-1140ND
2018-08-099590-016-0930ND
2018-08-099590-017-0835ND
2018-08-149590-008-1050ND
2018-08-149590-011-0900ND
2018-08-149590-013-1145ND
2018-08-149590-015-1020ND
2018-08-149590-021-1005ND
2018-08-149590-022-0910ND
2018-08-149590-023-0830ND
2018-08-149590-025-0740ND
2018-08-159590-018-1210ND
2018-08-159590-024-1250ND
2018-08-159590-026-1255ND
2018-10-089590-016-0935ND