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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Florence

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

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND40ND
2016ND50ND
20170.122 ppb91ND - 1.10 ppb
2018ND110ND
2019ND90ND

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
2014-05-14AC54239ND
2014-05-14AC54240ND
2014-05-14AC54186ND
2015-08-21AD04915ND
2015-08-21AD04932ND
2015-08-21AD04931ND
2015-09-17AD07551ND
2016-09-14AD49413ND
2016-09-14AD49419ND
2016-11-03AD56458ND
2016-11-03AD56548ND
2016-11-03AD56457ND
2017-02-14AD70634ND
2017-02-14AD706331.10 ppb
2017-02-14AD70678ND
2017-04-17AD79746ND
2017-04-17AD79747ND
2017-08-24AD94111ND
2017-08-24AD94108ND
2017-10-18AE01294ND
2017-10-18AE01300ND
2018-01-11AE08896ND
2018-01-11AE08893ND
2018-04-17AE22738ND
2018-04-17AE22743ND
2018-04-17AE22825ND
2018-04-17AE22823ND
2018-04-17AE22824ND
2018-08-14AE36875ND
2018-08-14AE36898ND
2018-10-10AE43034ND
2018-10-10AE43033ND
2019-01-30AE52167ND
2019-01-30AE52166ND
2019-04-29AE63902ND
2019-04-29AE63903ND
2019-04-29AE63970ND
2019-09-10AE82680ND
2019-09-10AE82689ND
2019-11-26AE90552ND
2019-11-26AE90556ND