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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Porterville

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

MORE ABOUT THIS CONTAMINANT

 

73

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
2014ND320ND
2015N/A00N/A
2016N/A00N/A
2017ND320ND
2018ND70ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-245867-005-1420ND
2014-03-245867-008-1330ND
2014-03-245867-013-1310ND
2014-03-245867-018-1405ND
2014-03-245867-019-1240ND
2014-03-245867-020-1010ND
2014-03-245867-056-1100ND
2014-03-245867-021-1130ND
2014-03-245867-033-0950ND
2014-03-245867-039-1035ND
2014-03-275867-096-0940ND
2014-03-275867-003-1400ND
2014-03-275867-022-1130ND
2014-03-275867-088-1110ND
2014-03-275867-086-1300ND
2014-03-275867-082-1330ND
2014-03-275867-079-1220ND
2014-05-135867-037-1328ND
2014-05-135867-090-0955ND
2014-05-135867-014-1205ND
2014-05-135867-049-1315ND
2014-05-135867-092-1055ND
2014-05-135867-026-1300ND
2014-05-145867-054-0920ND
2014-05-145867-024-1250ND
2014-05-145867-025-1000ND
2014-05-145867-032-1330ND
2014-05-145867-010-1040ND
2014-05-155867-006-1100ND
2014-05-155867-040-1320ND
2014-05-155867-009-1205ND
2014-05-155867-023-0935ND
2017-03-155867-005-1405ND
2017-03-155867-003-1425ND
2017-03-155867-020-0830ND
2017-03-155867-021-0945ND
2017-03-155867-022-1345ND
2017-03-155867-033-1415ND
2017-03-155867-039-0845ND
2017-03-155867-019-0940ND
2017-03-155867-049-1040ND
2017-03-155867-086-1200ND
2017-03-155867-096-1015ND
2017-03-155867-008-1455ND
2017-03-165867-098-0920ND
2017-03-165867-088-0940ND
2017-03-165867-100-1105ND
2017-03-165867-018-1145ND
2017-03-165867-079-1305ND
2017-03-165867-056-1345ND
2017-03-165867-013-1230ND
2017-03-165867-024-1020ND
2017-03-165867-025-1105ND
2017-05-105867-092-0900ND
2017-05-105867-006-1330ND
2017-05-105867-023-1030ND
2017-05-105867-026-0840ND
2017-05-105867-032-1130ND
2017-05-105867-009-0930ND
2017-05-105867-010-1200ND
2017-05-105867-054-1425ND
2017-05-105867-014-1000ND
2017-05-105867-090-1100ND
2017-05-115867-040-1250ND
2018-02-145867-098-0915ND
2018-02-155867-100-0900ND
2018-03-015867-098-1035ND
2018-03-015867-100-1115ND
2018-03-205867-082-1050ND
2018-06-015867-100-0820ND
2018-06-015867-098-0950ND
2019-02-155867-100-1305ND
2019-02-155867-098-1400ND