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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Montgomery County Municipal Utility District 105

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND40ND
2017ND20ND
2018ND10ND
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
2016-04-26AD34251ND
2016-09-19AD50207ND
2016-09-19AD49969ND
2016-11-09AD57492ND
2017-02-23AD71858ND
2017-08-21AD93516ND
2018-09-12AE39774ND