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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Manville WSC

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

 

110

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
2014ND210ND
2015ND160ND
2016ND180ND
2017ND210ND
2018ND160ND
2019ND180ND

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
2014-03-11AC46562ND
2014-03-11AC46567ND
2014-03-11AC46563ND
2014-03-11AC46462ND
2014-03-11AC46463ND
2014-03-11AC46461ND
2014-03-11AC46464ND
2014-06-18AC57314ND
2014-06-18AC57315ND
2014-06-18AC57358ND
2014-06-18AC57357ND
2014-06-18AC57359ND
2014-06-18AC57356ND
2014-09-12AC66802ND
2014-09-12AC66804ND
2014-09-12AC66805ND
2014-09-12AC66803ND
2014-11-24AC72741ND
2014-11-24AC72775ND
2014-11-24AC72771ND
2014-11-24AC72772ND
2015-03-19AC85265ND
2015-03-19AC85285ND
2015-03-19AC85263ND
2015-03-19AC85267ND
2015-05-26AC93256ND
2015-05-26AC93261ND
2015-05-26AC93254ND
2015-05-26AC93257ND
2015-08-17AD04261ND
2015-08-17AD04262ND
2015-08-17AD04265ND
2015-08-17AD04258ND
2015-11-18AD13997ND
2015-11-18AD13991ND
2015-11-18AD13994ND
2015-11-18AD13995ND
2016-02-08AD22419ND
2016-02-08AD22399ND
2016-02-08AD22420ND
2016-02-08AD22418ND
2016-04-25AD34060ND
2016-04-25AD34061ND
2016-04-25AD33948ND
2016-04-25AD33949ND
2016-04-25AD33945ND
2016-04-25AD33944ND
2016-07-25AD45414ND
2016-07-25AD45411ND
2016-07-25AD45420ND
2016-07-25AD45416ND
2016-11-09AD57368ND
2016-11-09AD57367ND
2016-11-09AD57355ND
2016-11-09AD57364ND
2017-01-23AD66184ND
2017-01-23AD66185ND
2017-01-23AD66031ND
2017-01-23AD66033ND
2017-01-23AD66035ND
2017-01-23AD66032ND
2017-04-27AD81572ND
2017-04-27AD81571ND
2017-04-27AD81576ND
2017-04-27AD81501ND
2017-04-27AD81498ND
2017-04-27AD81500ND
2017-04-27AD81502ND
2017-08-17AD93386ND
2017-08-17AD93390ND
2017-08-17AD93388ND
2017-08-17AD93389ND
2017-10-27AE02398ND
2017-10-27AE02405ND
2017-10-27AE02404ND
2017-10-27AE02406ND
2018-02-01AE11826ND
2018-02-01AE11824ND
2018-02-01AE11823ND
2018-02-01AE11825ND
2018-04-04AE21185ND
2018-04-04AE21188ND
2018-04-04AE21187ND
2018-04-04AE21195ND
2018-08-27AE38746ND
2018-09-24AE41269ND
2018-09-24AE41271ND
2018-09-24AE41266ND
2018-11-09AE45734ND
2018-11-09AE45735ND
2018-11-27AE46990ND
2018-11-27AE46984ND
2019-02-06AE53118ND
2019-02-06AE53117ND
2019-02-06AE53119ND
2019-02-06AE53116ND
2019-06-06AE69420ND
2019-06-06AE69422ND
2019-06-06AE69418ND
2019-06-06AE69419ND
2019-09-12AE83330ND
2019-09-12AE83190ND
2019-09-12AE83188ND
2019-09-12AE83189ND
2019-09-12AE83187ND
2019-09-30AE85184ND
2019-12-03AE90985ND
2019-12-03AE90986ND
2019-12-03AE90982ND
2019-12-03AE90983ND