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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Tempe Water Supply Corporation 1

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND40ND
2014ND50ND
2015ND10ND
2016ND10ND
2017ND50ND

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
2013-06-14AC22258ND
2013-06-14AC22257ND
2013-06-14AC22247ND
2013-06-14AC22244ND
2014-01-15AC39081ND
2014-01-15AC39085ND
2014-01-15AC39080ND
2014-01-15AC39084ND
2014-06-23AC57644ND
2015-06-02AC94118ND
2016-06-07AD39609ND
2017-02-15AD70884ND
2017-02-15AD70878ND
2017-02-15AD70880ND
2017-06-01AD86370ND
2017-06-01AD86475ND