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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Prescott Valley WD Upper

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND140ND
2014N/A00N/A
2015N/A00N/A
2016ND200ND
2017N/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
2012-03-15201203160214SND
2012-07-25201207260390SND
2012-11-262111802-01SND
2013-02-14201302150336SBND
2013-02-14201302150336SAND
2013-02-14201302150336SCND
2013-02-14201302150336SDND
2013-02-14201302150336SEND
2013-02-14201302190142SAND
2013-02-14201302190142SBND
2013-07-25201307250265SCND
2013-07-25201307250265SBND
2013-07-25201307250265SAND
2013-07-25201307250263SDND
2013-07-25201307250263SCND
2013-07-25201307250263SBND
2013-07-25201307250263SAND
2016-02-09201602100059SBND
2016-02-09201602100059SCND
2016-02-09201602100059SAND
2016-02-10201602110043SCND
2016-02-10201602110043SBND
2016-02-10201602110043SAND
2016-02-10201602110037SDND
2016-02-10201602110037SCND
2016-02-10201602110037SBND
2016-02-10201602110037SAND
2016-08-03201608040057SEND
2016-08-03201608040057SAND
2016-08-03201608040057SBND
2016-08-03201608040057SCND
2016-08-03201608040057SDND
2016-08-04201608050126SAND
2016-08-04201608050126SEND
2016-08-04201608050126SDND
2016-08-04201608050126SCND
2016-08-04201608050126SBND