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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

New Orleans Algiers Water Works

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201238.0 ppb2238.0 ppb
201337.4 ppb4435.2 ppb - 39.7 ppb
201420.3 ppb2220.3 ppb
2015ND40ND
2016ND40ND
2017ND20ND

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
2012-03-05AD6408838.0 ppb
2012-03-05AD6408838.0 ppb
2013-01-22AD7482835.2 ppb
2013-01-22AD7482835.2 ppb
2013-05-17AD7786639.7 ppb
2013-05-17AD7786639.7 ppb
2014-02-04AD8874420.3 ppb
2014-02-04AD8874420.3 ppb
2015-03-1635179807001ND
2015-03-1635179807001ND
2015-10-1435212328004ND
2015-10-1435212328004ND
2016-01-2735226999001ND
2016-01-2735226999001ND
2016-12-1335283615002ND
2016-12-1335283615002ND
2017-02-2235296827001ND
2017-02-2235296827001ND