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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Denham Springs Water System

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND140ND
2015ND20ND
2016N/A00N/A
2017ND100ND
2018ND20ND
2019N/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
2014-06-17AD92288ND
2014-06-17AD92286ND
2014-06-17AD92285ND
2014-06-17AD92287ND
2014-06-17AD92288ND
2014-06-17AD92289ND
2014-06-17AD92287ND
2014-06-17AD92286ND
2014-06-17AD92285ND
2014-06-17AD92289ND
2014-06-24AD92626ND
2014-06-24AD92626ND
2014-12-08AE00303ND
2014-12-08AE00303ND
2015-09-1635207899001ND
2015-09-1635207899001ND
2017-07-1735325021004ND
2017-07-1735325021003ND
2017-07-1735325021002ND
2017-07-1735325021001ND
2017-07-1735325021002ND
2017-07-1735325021003ND
2017-07-1735325021004ND
2017-07-1735325021001ND
2017-09-2535338791003ND
2017-09-2535338791003ND
2018-01-2935371221001ND
2018-01-2935371221001ND