Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dalapon

Bolivar Peninsula SUD

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

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.156 ppb162ND - 1.50 ppb
2015ND160ND
2016ND160ND
2017ND160ND
2018ND160ND
20190.0625 ppb161ND - 1.000 ppb

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
2014-03-14AC47113ND
2014-03-14AC47114ND
2014-03-14AC47112ND
2014-03-14AC47115ND
2014-06-06AC56268ND
2014-06-06AC56311ND
2014-06-06AC562701.50 ppb
2014-06-06AC56257ND
2014-08-15AC64105ND
2014-08-15AC640941.000 ppb
2014-08-15AC64171ND
2014-08-15AC64110ND
2014-11-21AC72753ND
2014-11-21AC72755ND
2014-11-21AC72747ND
2014-11-21AC72754ND
2015-02-11AC80179ND
2015-02-11AC80173ND
2015-02-11AC80175ND
2015-02-11AC80182ND
2015-05-29AC94005ND
2015-05-29AC94001ND
2015-05-29AC94020ND
2015-05-29AC94011ND
2015-09-23AD08190ND
2015-09-23AD08194ND
2015-09-23AD08198ND
2015-09-23AD08193ND
2015-10-23AD11705ND
2015-10-23AD11709ND
2015-10-23AD11708ND
2015-10-23AD11707ND
2016-02-19AD24708ND
2016-02-19AD24710ND
2016-02-19AD24709ND
2016-02-19AD24720ND
2016-06-10AD40175ND
2016-06-10AD40177ND
2016-06-10AD40183ND
2016-06-10AD40181ND
2016-08-05AD47287ND
2016-08-05AD47288ND
2016-08-05AD47285ND
2016-08-05AD47291ND
2016-11-28AD59328ND
2016-11-28AD59327ND
2016-11-28AD59331ND
2016-11-28AD59330ND
2017-01-27AD67482ND
2017-01-27AD67483ND
2017-01-27AD67485ND
2017-01-27AD67484ND
2017-04-24AD80629ND
2017-04-24AD80630ND
2017-04-24AD80628ND
2017-04-24AD80625ND
2017-07-07AD88667ND
2017-07-07AD88668ND
2017-07-07AD88669ND
2017-07-07AD88666ND
2017-11-16AE05156ND
2017-11-16AE05155ND
2017-11-16AE05154ND
2017-11-16AE05157ND
2018-02-05AE12200ND
2018-02-05AE12141ND
2018-02-05AE12153ND
2018-02-05AE12156ND
2018-05-11AE26149ND
2018-05-11AE26153ND
2018-05-11AE26148ND
2018-05-11AE26154ND
2018-07-20AE34128ND
2018-07-20AE34127ND
2018-07-20AE34130ND
2018-07-20AE34129ND
2018-10-12AE43403ND
2018-10-12AE43402ND
2018-10-12AE43401ND
2018-10-12AE43400ND
2019-02-11AE53742ND
2019-02-11AE53732ND
2019-02-11AE53734ND
2019-02-11AE53753ND
2019-04-05AE61382ND
2019-04-05AE61384ND
2019-04-05AE61385ND
2019-04-05AE61386ND
2019-09-09AE82466ND
2019-09-09AE82468ND
2019-09-09AE82470ND
2019-09-09AE824671.000 ppb
2019-10-30AE87938ND
2019-10-30AE87939ND
2019-10-30AE87941ND
2019-10-30AE87940ND