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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Boynton Beach Water Treatment Plant

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
20151.30 ppb42ND - 2.80 ppb
20160.533 ppb31ND - 1.60 ppb
2017ND20ND
2018ND60ND
2019ND40ND

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 Result
2014-01-29ND
2014-01-29ND
2015-03-11ND
2015-03-112.40 ppb
2015-08-052.80 ppb
2015-11-04ND
2016-02-19ND
2016-05-041.60 ppb
2016-08-05ND
2017-01-31ND
2017-01-31ND
2018-01-16ND
2018-01-16ND
2018-09-18ND
2018-09-18ND
2018-10-09ND
2018-10-09ND
2019-01-22ND
2019-01-22ND
2019-04-02ND
2019-05-07ND