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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Philadelphia Water Department

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

 

24

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
2014ND60ND
2015ND30ND
2016ND30ND
2017ND60ND
2018ND30ND
2019ND30ND

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
2014-04-077422122ND
2014-04-077422120ND
2014-04-077422118ND
2014-08-197572176ND
2014-08-197572174ND
2014-08-197572178ND
2015-06-1012888358ND
2015-06-1012888334ND
2015-06-1012888310ND
2016-06-0314411717ND
2016-06-0314411767ND
2016-06-0314411742ND
2017-05-1616100996ND
2017-05-1616100971ND
2017-05-1616100946ND
2017-07-2416420609ND
2017-07-2416420584ND
2017-07-2416420634ND
2018-06-118062833-01ND
2018-06-118062834-01ND
2018-06-118062835-01ND
2019-06-259065260-01ND
2019-06-259065261-01ND
2019-06-259065259-01ND