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EWG's Tap Water Database — 2021 UPDATE

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Dimethoate

California Water Service (CWS) - Los Altos Suburban

Dimethoate is an organophosphate insecticide highly toxic to the nervous system, particularly during pregnancy and childhood.

 

79

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
2014ND340ND
2015ND60ND
2016N/A00N/A
2017ND310ND
2018ND80ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-085810-008-1123ND
2014-01-155810-016-1132ND
2014-01-155810-002-1209ND
2014-02-105810-010-1145ND
2014-02-195810-018-1006ND
2014-02-275810-023-1125ND
2014-03-045810-015-1226ND
2014-03-055810-011-1122ND
2014-04-085810-020-1101ND
2014-04-095810-021-1334ND
2014-04-175810-022-1230ND
2014-05-145810-037-1407ND
2014-05-145810-023-1236ND
2014-06-045810-029-0835ND
2014-06-045810-024-1040ND
2014-06-045810-028-0938ND
2014-06-045810-032-1145ND
2014-06-045810-035-1108ND
2014-07-025810-002-0930ND
2014-07-025810-016-1046ND
2014-07-095810-008-1010ND
2014-08-115810-010-1043ND
2014-08-115810-018-1016ND
2014-09-095810-011-1305ND
2014-09-095810-015-1127ND
2014-10-015810-022-1400ND
2014-10-025810-020-1235ND
2014-10-025810-021-1315ND
2014-11-055810-037-1339ND
2014-12-105810-028-1240ND
2014-12-105810-032-1330ND
2014-12-105810-024-1303ND
2014-12-105810-035-1155ND
2014-12-105810-029-1142ND
2015-02-035810-013-1144ND
2015-03-039590-057-1005ND
2015-03-105810-030-1327ND
2015-06-239590-030-1030ND
2015-06-239590-013-1140ND
2015-06-239590-057-1100ND
2017-01-119590-010-0930ND
2017-01-119590-011-0955ND
2017-02-079590-023-1255ND
2017-02-089590-021-1300ND
2017-02-149590-020-1547ND
2017-03-159590-028-1208ND
2017-03-159590-024-0915ND
2017-04-049590-010-1400ND
2017-04-059590-016-1200ND
2017-04-069590-011-1110ND
2017-05-049590-020-1245ND
2017-05-049590-023-1200ND
2017-05-099590-021-1130ND
2017-07-069590-016-1145ND
2017-07-069590-002-1115ND
2017-07-199590-008-1030ND
2017-07-269590-028-1100ND
2017-07-269590-024-0930ND
2017-08-099590-037-1220ND
2017-08-099590-022-1150ND
2017-09-069590-035-1301ND
2017-09-069590-032-1230ND
2017-09-069590-029-1500ND
2017-10-119590-002-1030ND
2017-10-119590-008-1345ND
2017-11-139590-037-1300ND
2017-11-149590-022-1300ND
2017-12-129590-032-1115ND
2017-12-129590-029-1045ND
2017-12-209590-018-1345ND
2017-12-269590-035-1410ND
2018-01-039590-032-0921ND
2018-02-069590-013-1015ND
2018-03-079590-030-1145ND
2018-04-259590-013-1030ND
2018-07-199590-030-1018ND
2018-09-189590-057-1234ND
2018-12-059590-057-1100ND
2018-12-269590-057-1400ND