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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Town of Plain Dealing Water System

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND60ND
2017N/A00N/A
2018N/A00N/A
2019ND140ND

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
2016-10-0335269283004ND
2016-10-0335269283003ND
2016-10-0335269283004ND
2016-10-0335269283003ND
2016-10-1135270336004ND
2016-10-1135270336004ND
2019-07-2935486030001ND
2019-07-2935486030002ND
2019-07-2935486030001ND
2019-07-2935486030002ND
2019-08-2735493592001ND
2019-08-2735493592001ND
2019-09-0535496817002ND
2019-09-0535496817001ND
2019-09-0535496817001ND
2019-09-0535496817002ND
2019-09-2635500973001ND
2019-09-2635500973001ND
2019-10-3035509038001ND
2019-10-3035509038001ND