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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Slidell Water Supply

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20133.77 ppb883.77 ppb
2014N/A00N/A
2015N/A00N/A
2016ND80ND
2017N/A00N/A

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
2013-09-10AD836793.77 ppb
2013-09-10AD836803.77 ppb
2013-09-10AD836813.77 ppb
2013-09-10AD836823.77 ppb
2013-09-10AD836793.77 ppb
2013-09-10AD836803.77 ppb
2013-09-10AD836813.77 ppb
2013-09-10AD836823.77 ppb
2016-09-1235265891001ND
2016-09-1235265891002ND
2016-09-1235265891003ND
2016-09-1235265891004ND
2016-09-1235265891001ND
2016-09-1235265891002ND
2016-09-1235265891003ND
2016-09-1235265891004ND