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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Waterworks District 7

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

 

40

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
2016ND200ND
2017N/A00N/A
2018N/A00N/A
2019ND200ND

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
2016-12-0535281860010ND
2016-12-0535281860001ND
2016-12-0535281860010ND
2016-12-0535281860009ND
2016-12-0535281860008ND
2016-12-0535281860007ND
2016-12-0535281860006ND
2016-12-0535281860005ND
2016-12-0535281860004ND
2016-12-0535281860003ND
2016-12-0535281860002ND
2016-12-0535281860001ND
2016-12-0535281860002ND
2016-12-0535281860003ND
2016-12-0535281860004ND
2016-12-0535281860005ND
2016-12-0535281860006ND
2016-12-0535281860007ND
2016-12-0535281860008ND
2016-12-0535281860009ND
2019-11-1935514133001ND
2019-11-1935514133010ND
2019-11-1935514133009ND
2019-11-1935514133008ND
2019-11-1935514133007ND
2019-11-1935514133006ND
2019-11-1935514133005ND
2019-11-1935514133004ND
2019-11-1935514133003ND
2019-11-1935514133002ND
2019-11-1935514133001ND
2019-11-1935514133010ND
2019-11-1935514133009ND
2019-11-1935514133008ND
2019-11-1935514133007ND
2019-11-1935514133006ND
2019-11-1935514133005ND
2019-11-1935514133004ND
2019-11-1935514133003ND
2019-11-1935514133002ND