Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Grand Harbor Water System

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
2016ND20ND
2017ND20ND
2018ND30ND
2019ND20ND

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
2014-04-03AC49302ND
2014-07-22AC60475ND
2015-09-09AD06327ND
2015-09-09AD06329ND
2015-09-09AD06187ND
2016-09-29AD52037ND
2016-12-15AD62453ND
2017-06-14AD87139ND
2017-10-26AE02506ND
2018-06-19AE30553ND
2018-06-19AE30552ND
2018-06-19AE30452ND
2019-06-13AE70678ND
2019-06-13AE70592ND