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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Bastrop County Water Control and Improvement District 2

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

MORE ABOUT THIS CONTAMINANT

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND80ND
2016ND80ND
2017ND110ND
2018ND80ND
2019ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-01AC52697ND
2014-05-01AC52699ND
2014-05-01AC52633ND
2014-05-01AC52636ND
2014-05-01AC52637ND
2014-08-11AC62909ND
2014-08-11AC62908ND
2014-11-03AC71008ND
2014-11-03AC71007ND
2015-02-02AC78712ND
2015-02-02AC78726ND
2015-04-07AC87472ND
2015-04-07AC87475ND
2015-07-08AC98733ND
2015-07-08AC98732ND
2015-10-13AD10427ND
2015-10-13AD10425ND
2016-02-04AD22097ND
2016-02-04AD22096ND
2016-04-26AD34187ND
2016-04-26AD34186ND
2016-07-21AD45210ND
2016-07-21AD45211ND
2016-10-19AD53767ND
2016-10-19AD53764ND
2017-01-10AD63942ND
2017-01-10AD63964ND
2017-01-10AD64094ND
2017-01-10AD64095ND
2017-01-10AD64096ND
2017-04-07AD78811ND
2017-04-07AD78810ND
2017-07-11AD88874ND
2017-07-11AD88873ND
2017-10-04AD99244ND
2017-10-04AD99232ND
2018-01-23AE09818ND
2018-01-23AE09841ND
2018-04-11AE22020ND
2018-04-11AE22021ND
2018-08-13AE36551ND
2018-08-13AE36549ND
2018-10-16AE43593ND
2018-10-16AE43592ND
2019-01-16AE50058ND
2019-01-16AE50057ND
2019-04-11AE62036ND
2019-04-11AE62031ND
2019-07-30AE76353ND
2019-07-30AE76359ND
2019-11-20AE89907ND
2019-11-20AE89909ND