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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Jonesboro Water System

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND50ND
2016N/A00N/A
2017ND80ND
2018ND100ND
2019N/A00N/A

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
2014-01-2814030000502ND
2014-01-2814030000402ND
2014-01-2814030000602ND
2014-01-2814030001808ND
2014-04-1514107000202ND
2014-04-1514107000302ND
2014-04-1514107000102ND
2014-06-1014163003202ND
2015-04-2115113013702ND
2015-04-2115113013902ND
2015-04-2115113014002ND
2015-04-2115113013802ND
2015-04-2115113014102ND
2017-01-3017032000702ND
2017-01-3017032000402ND
2017-01-3017032000502ND
2017-02-0717040002002ND
2017-05-0317124005102ND
2017-05-0317124005202ND
2017-05-0317124005402ND
2017-05-0317124005302ND
2018-01-1118012001502ND
2018-01-1118012001402ND
2018-01-1118012001702ND
2018-01-1118012001802ND
2018-01-1118012001602ND
2018-04-1018101009702ND
2018-04-1018101009602ND
2018-04-1018101009802ND
2018-04-1018101010002ND
2018-04-1018101009902ND