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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

East Jefferson Waterworks District 1

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

MORE ABOUT THIS CONTAMINANT

 

74

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
2014ND120ND
2015ND120ND
2016ND120ND
2017ND120ND
20180.500 ppb1310.300 ppb - 0.700 ppb
20191.000 ppb131ND - 1.70 ppb

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
2014-01-06AD88198ND
2014-01-06AD88199ND
2014-01-06AD88200ND
2014-01-06AD88200ND
2014-01-06AD88199ND
2014-01-06AD88198ND
2014-10-15AD98626ND
2014-10-15AD98625ND
2014-10-15AD98624ND
2014-10-15AD98626ND
2014-10-15AD98625ND
2014-10-15AD98624ND
2015-02-2335177313003ND
2015-02-2335177313004ND
2015-02-2335177313005ND
2015-02-2335177313005ND
2015-02-2335177313004ND
2015-02-2335177313003ND
2015-09-3035209766004ND
2015-09-3035209766003ND
2015-09-3035209766005ND
2015-09-3035209766005ND
2015-09-3035209766004ND
2015-09-3035209766003ND
2016-01-2035226299004ND
2016-01-2035226299003ND
2016-01-2035226299005ND
2016-01-2035226299003ND
2016-01-2035226299004ND
2016-01-2035226299005ND
2016-12-0735282147002ND
2016-12-0735282147001ND
2016-12-0735282147003ND
2016-12-0735282147003ND
2016-12-0735282147001ND
2016-12-0735282147002ND
2017-02-0935294515005ND
2017-02-0935294515005ND
2017-02-0935294515004ND
2017-02-0935294515003ND
2017-02-0935294515004ND
2017-02-0935294515003ND
2017-05-0835311302004ND
2017-05-0835311302003ND
2017-05-0835311302005ND
2017-05-0835311302005ND
2017-05-0835311302004ND
2017-05-0835311302003ND
2018-03-1535380393001ND
2018-03-1535380393003ND
2018-03-1535380393002ND
2018-03-1535380393001ND
2018-03-1535380393003ND
2018-03-1535380393002ND
2018-06-010.500 ppb*
2018-08-1535411635002ND
2018-08-1535411635003ND
2018-08-1535411635001ND
2018-08-1535411635001ND
2018-08-1535411635002ND
2018-08-1535411635003ND
2019-02-2735451093001ND
2019-02-2735451094001ND
2019-02-2735451088001ND
2019-02-2735451088001ND
2019-02-2735451093001ND
2019-02-2735451094001ND
2019-06-011.000 ppb*
2019-08-0135486656001ND
2019-08-0135486659001ND
2019-08-0135486654001ND
2019-08-0135486654001ND
2019-08-0135486659001ND
2019-08-0135486656001ND

* Sample result is taken from the system's CCR report.