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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Pennsylvania American Water Company Yardley

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017ND60ND
2018N/A00N/A
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
2014-04-1025324501ND
2014-04-1025324601ND
2014-04-1025324701ND
2014-08-1126500401ND
2014-08-1126500501ND
2014-08-1126500601ND
2017-04-1015921980ND
2017-04-1015922008ND
2017-04-1015922036ND
2017-08-0716550823ND
2017-08-0716550851ND
2017-09-2616712914ND