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EWG's Tap Water Database — 2021 UPDATE

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Butachlor

California Water Service (CWS) - Visalia

Butachlor is a herbicide that is no longer used in the U.S.

MORE ABOUT THIS CONTAMINANT

 

110

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND260ND
2016ND190ND
2017ND120ND
2018ND250ND
2019ND160ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-235810-018-1240ND
2014-01-285810-017-0925ND
2014-04-075810-024-0900ND
2014-04-135810-018-0810ND
2014-05-085810-012-1145ND
2014-05-125810-054-0920ND
2014-06-105810-099-1200ND
2014-06-165810-070-1009ND
2014-09-155810-070-0835ND
2014-09-165810-182-0915ND
2014-09-245810-014-0939ND
2014-10-035810-022-1050ND
2015-01-185810-003-1322ND
2015-01-205810-023-0915ND
2015-02-025810-016-1245ND
2015-02-045810-031-1010ND
2015-02-045810-044-1130ND
2015-02-115810-029-1310ND
2015-04-065810-091-1105ND
2015-04-085810-030-1120ND
2015-04-215810-067-0855ND
2015-05-045810-045-1055ND
2015-05-115810-177-1000ND
2015-06-125810-090-0800ND
2015-07-145810-026-0815ND
2015-07-235810-065-1210ND
2015-08-105810-040-1230ND
2015-08-135810-048-0920ND
2015-09-035810-069-1125ND
2015-09-035810-080-1105ND
2015-09-035810-089-1000ND
2015-09-035810-093-0930ND
2015-09-105810-098-1105ND
2015-09-285810-060-1145ND
2015-10-135810-094-1220ND
2015-11-025810-035-0800ND
2015-11-045810-081-1120ND
2015-11-125810-076-1250ND
2016-01-125810-027-1142ND
2016-02-095810-057-0840ND
2016-02-095810-156-0940ND
2016-03-025810-061-1235ND
2016-03-075810-028-0815ND
2016-03-105810-036-1235ND
2016-03-145810-059-1129ND
2016-05-095810-012-1245ND
2016-06-085810-058-0940ND
2016-07-125810-158-1230ND
2016-07-135810-010-0826ND
2016-07-215810-154-0944ND
2016-08-085810-053-1110ND
2016-09-085810-092-1045ND
2016-09-085810-166-1010ND
2016-11-035810-055-1045ND
2016-11-035810-167-1015ND
2016-11-105810-046-1115ND
2016-11-295810-037-1045ND
2017-01-095810-017-1125ND
2017-04-035810-018-0800ND
2017-04-065810-024-1030ND
2017-04-255810-054-1045ND
2017-05-185810-043-0945ND
2017-08-295810-182-0826ND
2017-09-075810-014-1044ND
2017-09-135810-070-0900ND
2017-10-115810-022-1210ND
2017-12-185810-178-1240ND
2017-12-185810-179-1230ND
2017-12-215810-066-0950ND
2018-01-235810-015-1250ND
2018-01-235810-023-0920ND
2018-01-235810-029-1220ND
2018-02-015810-031-1055ND
2018-02-025810-044-1005ND
2018-03-155810-028-1045ND
2018-04-045810-067-0845ND
2018-04-265810-045-1005ND
2018-06-075810-091-0840ND
2018-06-115810-090-1225ND
2018-07-055810-026-0950ND
2018-07-175810-179-1015ND
2018-07-265810-065-1035ND
2018-07-265810-066-1020ND
2018-08-095810-040-0930ND
2018-08-135810-048-1110ND
2018-08-219590-089-1306ND
2018-09-065810-098-1050ND
2018-09-105810-093-1120ND
2018-09-115810-080-0945ND
2018-09-135810-069-0915ND
2018-09-245810-060-0900ND
2018-10-045810-094-1100ND
2018-11-085810-035-0930ND
2018-11-135810-081-1100ND
2019-02-045810-156-0915ND
2019-03-075810-036-1025ND
2019-03-075810-061-0830ND
2019-03-115810-037-1035ND
2019-03-215810-059-1030ND
2019-06-125810-056-1105ND
2019-06-125810-058-0955ND
2019-07-175810-010-0718ND
2019-07-175810-154-1036ND
2019-07-175810-158-0926ND
2019-08-055810-053-1137ND
2019-09-135810-092-1132ND
2019-09-135810-166-1047ND
2019-10-015810-047-0938ND
2019-11-185810-046-1100ND
2019-11-185810-167-1310ND