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EWG's Tap Water Database — 2019 UPDATE

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Metolachlor

Cedar Rapids Water Department

Metolachlor is a herbicide applied on corn, soybeans and other crops. The EPA has classified metolachlor as a possible human carcinogen.

 

155

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND280ND
20130.0231 ppb264ND - 0.200 ppb
20140.0400 ppb256ND - 0.300 ppb
20150.0125 ppb242ND - 0.200 ppb
20160.0308 ppb264ND - 0.300 ppb
20170.0846 ppb2612ND - 0.300 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-101882659ND
2012-01-101882660ND
2012-02-081887033ND
2012-02-281889286ND
2012-03-061889406ND
2012-03-061889409ND
2012-04-111897196ND
2012-04-111897198ND
2012-05-081901960ND
2012-05-081901961ND
2012-05-091902635ND
2012-05-091902637ND
2012-06-051908162ND
2012-06-051908163ND
2012-07-101915275ND
2012-07-101915276ND
2012-08-071922558ND
2012-08-071922573ND
2012-09-041928956ND
2012-09-041928957ND
2012-10-091937751ND
2012-10-091937752ND
2012-10-311943769ND
2012-10-311943771ND
2012-11-051942050ND
2012-11-061942049ND
2012-12-041948333ND
2012-12-041948335ND
2013-01-081953896ND
2013-01-081953897ND
2013-02-051961481ND
2013-02-051961482ND
2013-03-061964753ND
2013-03-061964756ND
2013-04-021971853ND
2013-04-021971854ND
2013-05-011974574ND
2013-05-011974576ND
2013-06-1119842850.1000 ppb
2013-06-111984287ND
2013-07-0919886320.200 ppb
2013-07-0919886330.200 ppb
2013-08-0720010900.1000 ppb
2013-08-072001091ND
2013-09-042002751ND
2013-09-042002752ND
2013-09-102005694ND
2013-09-102005696ND
2013-10-012009541ND
2013-10-012009542ND
2013-11-052015734ND
2013-11-052015736ND
2013-12-032023205ND
2013-12-032023206ND
2014-01-082028391ND
2014-01-082028393ND
2014-02-042032314ND
2014-02-042032315ND
2014-03-042038914ND
2014-03-042038915ND
2014-04-012043702ND
2014-04-012043703ND
2014-05-062051482ND
2014-05-062051484ND
2014-06-1020579240.1000 ppb
2014-06-1020579250.200 ppb
2014-07-1520648010.300 ppb
2014-07-1520648020.200 ppb
2014-08-0620715660.1000 ppb
2014-08-0620715670.1000 ppb
2014-09-032076109ND
2014-09-032076110ND
2014-10-082085398ND
2014-10-082084287ND
2014-10-082084289ND
2014-11-042089398ND
2014-11-042089399ND
2014-12-022094999ND
2014-12-022095000ND
2015-01-06OE208981ND
2015-01-06OE208979ND
2015-02-03OE212653ND
2015-02-03OE212654ND
2015-03-10OE219210ND
2015-03-10OE219211ND
2015-04-07OE228731ND
2015-04-07OE228729ND
2015-05-05OE240279ND
2015-05-05OE240278ND
2015-06-02OE250978ND
2015-06-02OE250980ND
2015-07-07OE2651970.200 ppb
2015-07-07OE265195ND
2015-08-04OE2772000.1000 ppb
2015-08-05OE277199ND
2015-09-01OE288650ND
2015-09-01OE288651ND
2015-10-06OE302401ND
2015-10-06OE302405ND
2015-10-06OE302403ND
2015-10-06OE302404ND
2015-11-03OE314505ND
2015-11-03OE314506ND
2016-01-05OE333112ND
2016-01-05OE333114ND
2016-02-02OE341813ND
2016-02-02OE341812ND
2016-03-01OE351023ND
2016-03-01OE351024ND
2016-04-05OE363125ND
2016-04-05OE363126ND
2016-05-03OE374503ND
2016-05-03OE374504ND
2016-06-07OE387286ND
2016-06-07OE387284ND
2016-07-05OE3972600.300 ppb
2016-07-05OE3972610.300 ppb
2016-08-02OE4105810.1000 ppb
2016-08-02OE4105820.1000 ppb
2016-09-06OE425334ND
2016-09-06OE425335ND
2016-10-10OE438462ND
2016-10-10OE438459ND
2016-10-17OE441633ND
2016-10-17OE441634ND
2016-11-01OE448206ND
2016-11-01OE448207ND
2016-12-06OE459323ND
2016-12-06OE459322ND
2017-01-03OE467516ND
2017-01-03OE467517ND
2017-02-07OE479086ND
2017-02-07OE479088ND
2017-03-07OE488542ND
2017-03-07OE488543ND
2017-04-04OE4982420.1000 ppb
2017-04-04OE4982430.200 ppb
2017-05-02OE508280ND
2017-05-02OE5082780.1000 ppb
2017-06-06OE521222ND
2017-06-06OE521220ND
2017-07-05OE5328440.200 ppb
2017-07-05OE5328450.200 ppb
2017-08-01OE5451400.1000 ppb
2017-08-01OE5451390.1000 ppb
2017-09-12OE564049ND
2017-09-12OE564051ND
2017-10-03OE573413ND
2017-10-03OE573418ND
2017-11-07OE5883220.200 ppb
2017-11-07OE588323ND
2017-11-20OE5923970.300 ppb
2017-11-20OE5923960.200 ppb
2017-12-12OE6004980.200 ppb
2017-12-12OE6004970.300 ppb