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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

McAlester PWA

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017ND20ND
20180.430 ppb31ND - 1.29 ppb
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
2017-09-137I13107-01ND
2017-11-157K15030-01ND
2018-03-21SDWA-1239859-00ND
2018-07-10SDWA-1279274-00ND
2018-08-30AH30096-051.29 ppb
2019-02-27BB27027-01ND
2019-04-24BD24026-01ND