Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Blair Water Supply Corporation

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND80ND
2016ND80ND
2017ND20ND
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 Lab ID Result
2014-03-06AC45958ND
2014-06-03AC55857ND
2014-09-09AC66358ND
2014-12-16AC75092ND
2015-02-17AC80929ND
2015-02-17AC80899ND
2015-05-13AC92027ND
2015-05-13AC92020ND
2015-07-22AD00600ND
2015-07-22AD00598ND
2015-10-13AD10444ND
2015-10-13AD10428ND
2016-01-20AD18916ND
2016-01-20AD18915ND
2016-05-10AD36335ND
2016-05-10AD36334ND
2016-07-27AD46109ND
2016-07-27AD46111ND
2016-11-16AD58517ND
2016-11-16AD58510ND
2017-01-25AD66742ND
2017-01-25AD66769ND