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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Wellborn SUD

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

 

104

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND170ND
2015ND160ND
2016ND190ND
2017ND170ND
2018ND160ND
2019ND190ND

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
2014-02-13AC42890ND
2014-02-13AC42889ND
2014-02-13AC42882ND
2014-02-13AC42879ND
2014-02-13AC42880ND
2014-02-13AC42883ND
2014-04-07AC49622ND
2014-04-07AC49603ND
2014-04-07AC49605ND
2014-04-07AC49602ND
2014-09-10AC66526ND
2014-09-10AC66518ND
2014-09-10AC66517ND
2014-12-16AC75090ND
2014-12-16AC75089ND
2014-12-16AC75075ND
2014-12-16AC75091ND
2015-03-24AC85850ND
2015-03-24AC85844ND
2015-03-24AC85845ND
2015-03-24AC85838ND
2015-05-27AC93472ND
2015-05-27AC93488ND
2015-05-27AC93489ND
2015-06-18AC96572ND
2015-09-30AD09090ND
2015-09-30AD09091ND
2015-09-30AD09089ND
2015-09-30AD09093ND
2015-12-07AD15705ND
2015-12-07AD15704ND
2015-12-07AD15697ND
2015-12-07AD15696ND
2016-03-09AD28005ND
2016-03-09AD28007ND
2016-03-09AD28006ND
2016-03-09AD27861ND
2016-03-09AD27859ND
2016-03-09AD27863ND
2016-03-09AD27860ND
2016-06-14AD40398ND
2016-06-14AD40396ND
2016-06-14AD40413ND
2016-06-14AD40402ND
2016-09-30AD52161ND
2016-09-30AD52162ND
2016-09-30AD52159ND
2016-09-30AD52163ND
2016-12-08AD61387ND
2016-12-08AD61388ND
2016-12-08AD61383ND
2016-12-08AD61389ND
2017-03-07AD73795ND
2017-03-07AD73701ND
2017-03-07AD73699ND
2017-03-07AD73702ND
2017-03-07AD73700ND
2017-05-22AD85015ND
2017-05-22AD85016ND
2017-05-22AD85022ND
2017-05-22AD85014ND
2017-09-19AD96766ND
2017-09-19AD96767ND
2017-09-19AD96768ND
2017-09-19AD96763ND
2017-11-21AE05548ND
2017-11-21AE05550ND
2017-11-21AE05549ND
2017-11-21AE05547ND
2018-03-15AE18586ND
2018-03-15AE18590ND
2018-03-15AE18587ND
2018-03-15AE18589ND
2018-05-08AE25538ND
2018-05-08AE25537ND
2018-05-08AE25536ND
2018-05-08AE25539ND
2018-08-23AE38260ND
2018-08-23AE38258ND
2018-08-23AE38257ND
2018-08-23AE38259ND
2018-11-05AE45219ND
2018-11-05AE45218ND
2018-11-05AE45220ND
2018-11-05AE45221ND
2019-01-15AE49903ND
2019-01-15AE49900ND
2019-01-15AE49776ND
2019-01-15AE49777ND
2019-01-15AE49778ND
2019-01-15AE49779ND
2019-06-06AE69402ND
2019-06-06AE69401ND
2019-06-06AE69400ND
2019-06-06AE69403ND
2019-07-18AE75106ND
2019-07-18AE74992ND
2019-07-18AE74991ND
2019-07-18AE74990ND
2019-07-18AE74997ND
2019-10-08AE85941ND
2019-10-08AE85943ND
2019-10-08AE85945ND
2019-10-08AE85934ND