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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Henry County Water Authority

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

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND60ND
2017N/A00N/A
2018ND30ND
2019ND120ND

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
2014-03-05140305086-1ND
2014-06-02140603014-1ND
2015-02-25150226031-1ND
2015-06-04150605032-1ND
2016-03-10160311016-3ND
2016-03-10160311016-2ND
2016-03-10160311016-1ND
2016-06-09160610003-2ND
2016-06-09160610003-1ND
2016-08-31160901038-1ND
2018-03-27180328027-1ND
2018-06-04180605008-001ND
2018-07-031807-00035-1SND
2019-06-0320106578001_ISOCND
2019-06-0320106578003_ISOCND
2019-06-0320106578002_ISOCND
2019-07-2920114781003_ISOCND
2019-07-2920114781003_ISOCND
2019-07-2920114781002_ISOCND
2019-07-2920114781002_ISOCND
2019-07-2920114781001_ISOCND
2019-07-2920114781001_ISOCND
2019-07-2920114781004_ISOCND
2019-07-2920114781004_ISOCND
2019-10-1720126579001_ISOCND