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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

City of Donna

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

 

74

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND80ND
2014ND160ND
2015ND160ND
2016ND170ND
2017ND160ND

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
2012-11-06AC04766ND
2013-01-28AC08865ND
2013-04-16AC16800ND
2013-04-16AC16840ND
2013-07-23AC25556ND
2013-11-14AC35233ND
2013-11-14AC35228ND
2013-11-14AC35234ND
2013-11-14AC35242ND
2014-02-28AC45262ND
2014-02-28AC45263ND
2014-02-28AC45323ND
2014-02-28AC45292ND
2014-04-22AC51353ND
2014-04-22AC51354ND
2014-04-22AC51357ND
2014-04-22AC51355ND
2014-07-23AC60762ND
2014-07-23AC60760ND
2014-07-23AC60761ND
2014-07-23AC60759ND
2014-10-21AC70154ND
2014-10-21AC70166ND
2014-10-21AC70172ND
2014-10-21AC70148ND
2015-01-21AC77194ND
2015-01-21AC77193ND
2015-01-21AC77201ND
2015-01-21AC77195ND
2015-04-07AC87476ND
2015-04-07AC87440ND
2015-04-07AC87479ND
2015-04-07AC87456ND
2015-07-14AC99326ND
2015-07-14AC99332ND
2015-07-14AC99335ND
2015-07-14AC99331ND
2015-10-20AD11171ND
2015-10-20AD11178ND
2015-10-20AD11157ND
2015-10-20AD11159ND
2016-03-02AD26712ND
2016-03-02AD26616ND
2016-03-02AD26624ND
2016-03-02AD26620ND
2016-03-02AD26622ND
2016-06-08AD39754ND
2016-06-08AD39751ND
2016-06-08AD39718ND
2016-06-08AD39717ND
2016-07-14AD44230ND
2016-07-14AD44225ND
2016-07-14AD44223ND
2016-07-14AD44234ND
2016-11-15AD58002ND
2016-11-15AD58005ND
2016-11-15AD57984ND
2016-11-15AD57986ND
2017-01-10AD63923ND
2017-01-10AD63927ND
2017-01-10AD63929ND
2017-01-10AD63937ND
2017-05-01AD81777ND
2017-05-01AD81749ND
2017-05-01AD81750ND
2017-05-01AD81751ND
2017-07-12AD89051ND
2017-07-12AD89054ND
2017-07-12AD89055ND
2017-07-12AD89044ND
2017-10-31AE02904ND
2017-10-31AE02914ND
2017-10-31AE02921ND
2017-10-31AE02907ND