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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

River Acres Water Supply Corporation

NOTE: River Acres Water Supply Corporation purchases water from Nueces County WCID 3 which is required to test for dalapon. Sample information shown below was taken by Nueces County WCID 3.

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

 

98

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND80ND
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

NOTE: River Acres Water Supply Corporation purchases water from Nueces County WCID 3 which is required to test for dalapon. Sample information shown below was taken by Nueces County WCID 3.

Date Lab ID Result
2014-03-12AC46718ND
2014-03-12AC46719ND
2014-03-12AC46730ND
2014-03-12AC46720ND
2014-05-22AC55092ND
2014-05-22AC55096ND
2014-05-22AC55097ND
2014-05-22AC55094ND
2014-08-06AC62398ND
2014-08-06AC62388ND
2014-08-06AC62412ND
2014-08-06AC62406ND
2014-11-10AC71718ND
2014-11-10AC71717ND
2014-11-10AC71683ND
2014-11-10AC71721ND
2015-02-19AC81163ND
2015-02-19AC81162ND
2015-02-19AC81157ND
2015-02-19AC81158ND
2015-04-23AC89391ND
2015-04-23AC89393ND
2015-04-23AC89392ND
2015-04-23AC89394ND
2015-09-17AD07547ND
2015-09-17AD07528ND
2015-09-17AD07526ND
2015-09-17AD07527ND
2015-12-02AD15156ND
2015-12-02AD15153ND
2015-12-02AD15152ND
2015-12-02AD15151ND
2016-02-11AD23343ND
2016-02-11AD23457ND
2016-02-11AD23342ND
2016-02-11AD23338ND
2016-02-11AD23345ND
2016-04-12AD32760ND
2016-04-12AD32783ND
2016-04-12AD32769ND
2016-04-12AD32763ND
2016-09-12AD48770ND
2016-09-12AD48780ND
2016-09-12AD48781ND
2016-09-12AD48782ND
2016-12-05AD60280ND
2016-12-05AD60281ND
2016-12-05AD60284ND
2016-12-05AD60282ND
2017-03-21AD76013ND
2017-03-21AD76012ND
2017-03-21AD76011ND
2017-03-21AD76010ND
2017-05-11AD83910ND
2017-05-11AD83911ND
2017-05-11AD83926ND
2017-05-11AD83909ND
2017-09-14AD96225ND
2017-09-14AD96229ND
2017-09-14AD96228ND
2017-09-14AD96226ND
2017-11-17AE05344ND
2017-11-17AE05346ND
2017-11-17AE05345ND
2017-11-17AE05343ND
2018-03-05AE16612ND
2018-03-05AE16595ND
2018-03-05AE16596ND
2018-03-05AE16602ND
2018-05-31AE28252ND
2018-05-31AE28275ND
2018-05-31AE28273ND
2018-05-31AE28269ND
2018-07-26AE34636ND
2018-07-26AE34639ND
2018-07-26AE34652ND
2018-07-26AE34637ND
2018-10-18AE43941ND
2018-10-18AE43938ND
2018-10-18AE43937ND
2018-10-18AE43939ND
2019-01-24AE51232ND
2019-01-24AE51345ND
2019-01-24AE51230ND
2019-01-24AE51219ND
2019-01-24AE51233ND
2019-05-30AE68574ND
2019-05-30AE68588ND
2019-05-30AE68589ND
2019-05-30AE68590ND
2019-08-01AE76752ND
2019-08-01AE76768ND
2019-08-01AE76751ND
2019-08-01AE76747ND
2019-11-21AE90159ND
2019-11-21AE90141ND
2019-11-21AE90164ND
2019-11-21AE90161ND