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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Doyon Utilities Jber - Richardson

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND160ND
2013N/A00N/A
2014N/A00N/A
2015ND120ND
2016ND10ND
2017ND40ND

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
2012-01-23PE*2581088ND
2012-01-23PE*2581102ND
2012-01-23PE*2581110ND
2012-01-23PE*2581112ND
2012-01-23PE*2581075ND
2012-04-23PE*2629744ND
2012-04-23PE*2629760ND
2012-04-23PE*2629781ND
2012-04-23PE*2629806ND
2012-07-24PE*2682051ND
2012-07-24PE*2682123ND
2012-07-24PE*2682076ND
2012-11-26PE*2745625ND
2012-11-26PE*2745639ND
2012-11-26PE*2745649ND
2012-11-26PE*2745659ND
2015-02-24PE*3195306ND
2015-02-24PE*3195670ND
2015-02-24PE*3195337ND
2015-06-23PE*3268439ND
2015-06-23PE*3268596ND
2015-06-23PE*3268611ND
2015-09-14PE*3322323ND
2015-09-14PE*3322334ND
2015-09-14PE*3322351ND
2015-12-07PE*3371142ND
2015-12-07PE*3371155ND
2015-12-07PE*3371165ND
2016-03-29PE*3422156ND
2017-03-06PE*3649756ND
2017-05-22PE*3698682ND
2017-08-28PE*3767826ND
2017-10-11PE*3797938ND