Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Dalapon

Kempner WSC

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

 

79

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.690 ppb104ND - 1.90 ppb
2013ND10ND
2014ND170ND
2015ND170ND
2016ND170ND
2017ND170ND

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
2012-02-09AB80672ND
2012-02-09AB80675ND
2012-05-10AB89446ND
2012-05-10AB89445ND
2012-05-10AB89444ND
2012-05-10AB89443ND
2012-08-07AB973881.90 ppb
2012-08-07AB973891.90 ppb
2012-08-07AB973841.90 ppb
2012-08-07AB973851.20 ppb
2013-01-241301693006ND
2014-01-27AC40138ND
2014-02-10AC42076ND
2014-02-10AC42079ND
2014-02-10AC42080ND
2014-02-10AC42078ND
2014-04-30AC52491ND
2014-04-30AC52492ND
2014-04-30AC52490ND
2014-04-30AC52493ND
2014-08-05AC62195ND
2014-08-05AC62201ND
2014-08-05AC62198ND
2014-08-05AC62196ND
2014-11-12AC71905ND
2014-11-12AC71904ND
2014-11-12AC71902ND
2014-11-12AC71901ND
2015-03-24AC85843ND
2015-03-24AC85836ND
2015-03-24AC85841ND
2015-03-24AC85835ND
2015-05-18AC92282ND
2015-05-18AC92274ND
2015-05-18AC92292ND
2015-05-18AC92275ND
2015-05-18AC92390ND
2015-08-20AD04828ND
2015-08-20AD04830ND
2015-08-20AD04831ND
2015-08-20AD04829ND
2015-10-05AD09397ND
2015-10-05AD09404ND
2015-10-05AD09396ND
2015-10-05AD09395ND
2016-01-14AD18350ND
2016-01-14AD18193ND
2016-01-14AD18189ND
2016-01-14AD18191ND
2016-01-14AD18195ND
2016-04-06AD32023ND
2016-04-06AD32060ND
2016-04-06AD32022ND
2016-04-06AD32024ND
2016-08-05AD47231ND
2016-08-05AD47230ND
2016-08-05AD47232ND
2016-08-05AD47229ND
2016-10-11AD52961ND
2016-10-11AD52966ND
2016-10-11AD52964ND
2016-10-11AD52965ND
2017-01-30AD67494ND
2017-01-30AD67497ND
2017-01-30AD67501ND
2017-01-30AD67499ND
2017-01-30AD67642ND
2017-04-06AD78738ND
2017-04-06AD78735ND
2017-04-06AD78742ND
2017-04-06AD78739ND
2017-07-12AD89059ND
2017-07-12AD89060ND
2017-07-12AD89063ND
2017-07-12AD89062ND
2017-11-21AE05540ND
2017-11-21AE05541ND
2017-11-21AE05542ND
2017-11-21AE05539ND