Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Granger - Hunter Improvement District

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND100ND
2016ND100ND
2017ND130ND
2018N/A00N/A
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 Result
2014-05-23ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-08-14ND
2014-08-14ND
2014-08-14ND
2014-08-14ND
2014-08-14ND
2015-07-30ND
2015-07-30ND
2015-07-30ND
2015-07-30ND
2015-07-30ND
2015-08-26ND
2015-08-26ND
2015-08-26ND
2015-08-26ND
2015-08-26ND
2016-07-19ND
2016-07-19ND
2016-07-19ND
2016-07-19ND
2016-07-19ND
2016-08-30ND
2016-08-30ND
2016-08-30ND
2016-08-30ND
2016-08-30ND
2017-01-11ND
2017-06-21ND
2017-06-21ND
2017-06-21ND
2017-06-21ND
2017-06-21ND
2017-06-28ND
2017-09-12ND
2017-09-12ND
2017-09-12ND
2017-09-12ND
2017-09-12ND
2017-11-02ND