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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Kalaheo-Koloa

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

 

45

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015ND180ND
2016N/A00N/A
2017ND10ND
2018ND220ND
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 Lab ID Result
2015-07-06C15-07-0171AND
2015-07-06C15-07-0170AND
2015-07-06C15-07-0174AND
2015-07-06C15-07-0173AND
2015-07-06C15-07-0172AND
2015-07-08C15-07-0225AND
2015-07-08C15-07-0226AND
2015-07-08C15-07-0227AND
2015-07-08C15-07-0228AND
2015-10-19C15-10-0033AND
2015-10-19C15-10-0034AND
2015-10-19C15-10-0035AND
2015-10-19C15-10-0036AND
2015-10-19C15-10-0037AND
2015-10-21C15-10-0071AND
2015-10-21C15-10-0072AND
2015-10-21C15-10-0073AND
2015-10-21C15-10-0074AND
2017-05-16ND
2018-01-29201801000000ND
2018-01-29201801310036ND
2018-06-04C18-06-0013AND
2018-06-04C18-06-0014AND
2018-06-05C18-06-0063AND
2018-06-05C18-06-0064AND
2018-06-05C18-06-0062AND
2018-06-19C18-06-0135AND
2018-06-19C18-06-0134AND
2018-06-19C18-06-0136AND
2018-06-19C18-06-0137AND
2018-06-19C18-06-0138AND
2018-09-10C18-09-0202AND
2018-09-10C18-09-0203AND
2018-09-11C18-09-0216AND
2018-09-11C18-09-0215AND
2018-09-11C18-09-0217AND
2018-09-12C18-09-0244AND
2018-09-12C18-09-0247AND
2018-09-12C18-09-0246AND
2018-09-12C18-09-0245AND
2018-09-12C18-09-0243AND
2019-01-30201901310193ND
2019-06-19C19-06-0131AND
2019-07-17C19-07-0164AND
2019-10-21C19-10-0064AND