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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Harris County MUD 165

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

 

15

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
2013ND20ND
2014ND40ND
2015ND20ND
2016ND30ND
2017ND40ND

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
2013-06-13AC22122ND
2013-06-13AC22072ND
2014-03-20AC47837ND
2014-07-16AC59890ND
2014-07-16AC59896ND
2014-07-16AC59860ND
2015-05-27AC93492ND
2015-05-27AC93485ND
2016-03-21AD29734ND
2016-09-26AD51035ND
2016-09-26AD51032ND
2017-05-04AD82733ND
2017-05-04AD82713ND
2017-05-04AD82849ND
2017-05-04AD82843ND