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EWG's Tap Water Database — 2021 UPDATE

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Methomyl

Sacramento County Water Authority - Laguna/Vineyard

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

 

111

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
2014ND360ND
2015ND340ND
2016ND50ND
2017ND20ND
2018ND300ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-215810-010-1002ND
2014-05-225810-018-1326ND
2014-05-225810-038-1036ND
2014-07-295810-024-0840ND
2014-08-195810-001-1446ND
2014-08-195810-003-1044ND
2014-08-195810-004-1110ND
2014-08-195810-008-1146ND
2014-08-195810-012-1356ND
2014-08-195810-013-1243ND
2014-08-195810-029-1310ND
2014-08-195810-031-0945ND
2014-08-195810-049-0855ND
2014-08-195810-050-0916ND
2014-08-205810-005-0955ND
2014-08-205810-006-0913ND
2014-08-205810-010-1044ND
2014-08-205810-019-1445ND
2014-08-205810-020-1345ND
2014-08-205810-021-1410ND
2014-08-205810-023-1326ND
2014-08-205810-025-0821ND
2014-08-205810-026-1248ND
2014-08-205810-030-1138ND
2014-08-205810-048-1200ND
2014-08-205810-051-1114ND
2014-08-215810-016-0843ND
2014-08-215810-022-0937ND
2014-08-215810-031-1140ND
2014-08-215810-034-0823ND
2014-08-215810-040-0803ND
2014-08-215810-041-0741ND
2014-08-255810-017-1250ND
2014-09-295810-002-0911ND
2014-09-295810-028-0840ND
2014-11-205810-010-0839ND
2015-02-185810-010-1050ND
2015-05-135810-015-1031ND
2015-06-035810-018-0739ND
2015-08-185810-020-1302ND
2015-08-185810-021-1330ND
2015-08-185810-023-1240ND
2015-08-185810-026-1432ND
2015-08-185810-030-1405ND
2015-08-205810-016-1516ND
2015-08-205810-017-1445ND
2015-08-205810-034-1350ND
2015-08-205810-040-1328ND
2015-08-205810-041-1305ND
2015-08-255810-002-1443ND
2015-08-255810-003-1346ND
2015-08-255810-004-1412ND
2015-08-255810-008-1310ND
2015-08-255810-019-1236ND
2015-08-255810-051-0911ND
2015-08-265810-001-1520ND
2015-08-265810-005-1455ND
2015-08-265810-006-1426ND
2015-08-265810-025-1243ND
2015-08-265810-031-0951ND
2015-08-265810-049-1023ND
2015-08-265810-050-1048ND
2015-08-275810-010-1217ND
2015-08-275810-012-1020ND
2015-08-275810-013-1120ND
2015-08-275810-024-1312ND
2015-08-275810-028-1410ND
2015-08-275810-029-1053ND
2015-08-275810-038-1437ND
2015-11-195810-048-1122ND
2016-02-295810-027-0931ND
2016-05-175810-015-0000ND
2016-05-175810-018-1347ND
2016-06-095810-022-0835ND
2016-08-115810-038-1521ND
2017-02-075810-027-0820ND
2017-05-095810-015-1025ND
2018-05-225810-027-0952ND
2018-08-135810-001-1135ND
2018-08-135810-002-1007ND
2018-08-135810-003-0802ND
2018-08-135810-004-0823ND
2018-08-135810-006-0927ND
2018-08-135810-008-0841ND
2018-08-135810-010-1046ND
2018-08-135810-012-1341ND
2018-08-135810-013-1420ND
2018-08-145810-031-1444ND
2018-08-145810-049-1424ND
2018-08-145810-050-1405ND
2018-08-155810-024-1342ND
2018-08-155810-025-1514ND
2018-08-155810-026-1342ND
2018-08-155810-028-1414ND
2018-08-155810-029-0800ND
2018-08-155810-030-1037ND
2018-08-155810-051-0957ND
2018-08-165810-016-0809ND
2018-08-165810-017-0842ND
2018-08-165810-034-1443ND
2018-08-165810-040-1424ND
2018-08-165810-041-1408ND
2018-08-215810-019-0827ND
2018-08-215810-020-0854ND
2018-08-215810-021-0949ND
2018-08-215810-023-1019ND
2018-11-145810-048-1320ND
2019-02-145810-005-0941ND
2019-05-075810-018-0840ND
2019-05-075810-022-0949ND
2019-08-065810-038-1300ND