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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Waskom

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND50ND
2017ND10ND
2018ND10ND
2019ND20ND

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
2014-07-09Q1426907004ND
2015-05-12Q1517315005ND
2016-03-03Q1609178014ND
2016-03-03Q1609178006ND
2016-06-14Q1623922007ND
2016-09-02Q1635698005ND
2016-11-14Q1649298005ND
2017-09-06Q1741335007ND
2018-06-14Q1823872001ND
2019-05-29Q1929343005ND
2019-05-29Q1929343006ND