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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

California Water Service (CWS) - Selma

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.

MORE ABOUT THIS CONTAMINANT

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND350ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-055810-013-1509ND
2014-02-195810-004-1040ND
2014-02-195810-001-0959ND
2014-02-255810-022-1001ND
2014-02-255810-005-1150ND
2014-02-255810-018-1041ND
2014-03-105810-036-0935ND
2014-03-105810-038-1035ND
2014-03-105810-007-1130ND
2014-03-115810-014-0925ND
2014-03-115810-023-1130ND
2014-03-115810-021-1013ND
2014-05-065810-005-1020ND
2014-05-065810-001-1005ND
2014-05-065810-004-1116ND
2014-05-135810-018-1055ND
2014-05-135810-007-0940ND
2014-05-135810-022-0959ND
2014-06-035810-014-1120ND
2014-06-035810-038-1058ND
2014-06-035810-021-0940ND
2014-06-035810-036-1020ND
2014-06-035810-013-1137ND
2014-06-105810-023-1150ND
2014-06-165810-010-1330ND
2014-08-055810-005-1010ND
2014-08-055810-004-1055ND
2014-08-055810-001-1028ND
2014-08-135810-022-1402ND
2014-08-195810-018-1045ND
2014-09-035810-038-1045ND
2014-09-035810-023-1005ND
2014-09-035810-021-0918ND
2014-09-035810-014-1105ND
2014-09-095810-013-1131ND