Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Montgomery County Municipal Utility District 18

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND10ND
2017ND20ND
2018ND20ND
2019ND10ND

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
2014-03-18AC47424ND
2014-07-23AC60741ND
2015-07-21AD00477ND
2015-07-21AD00365ND
2016-09-27AD51397ND
2017-07-19AD89904ND
2017-10-26AE02501ND
2018-08-02AE35649ND
2018-08-02AE35524ND
2019-08-28AE81348ND