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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

California Water Service Company - Dixon

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND110ND
2016ND30ND
2017N/A00N/A
2018ND40ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-165810-005-1053ND
2014-09-165810-005-1056ND
2014-10-165810-008-1452ND
2014-10-165810-008-1447ND
2014-10-295810-002-1006ND
2014-10-295810-002-1008ND
2014-10-295810-006-0843ND
2014-10-295810-006-0848ND
2014-12-175810-005-1609ND
2014-12-175810-005-1600ND
2014-12-175810-007-1108ND
2014-12-175810-003-1022ND
2014-12-175810-003-1016ND
2014-12-175810-007-1114ND
2014-12-305810-004-1153ND
2014-12-305810-002-1153ND
2015-01-055810-006-1400ND
2015-01-055810-006-1352ND
2015-01-215810-002-0930ND
2015-01-215810-002-0926ND
2015-01-215810-008-1051ND
2015-01-215810-008-1055ND
2015-03-039590-002-0902ND
2015-03-039590-007-0953ND
2015-03-259590-008-0850ND
2015-03-319590-009-1057ND
2015-05-209590-003-0910ND
2016-04-069590-017-1123ND
2016-06-139590-020-1700ND
2016-07-209590-017-1340ND
2018-04-049590-002-0918ND
2018-04-059590-008-1337ND
2018-07-029590-002-1500ND
2018-07-109590-008-1540ND
2019-04-029590-017-1547ND
2019-07-029590-017-1330ND