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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

California American Water Company - Monterey

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

 

13

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
2014ND80ND
2015ND10ND
2016ND40ND
2017N/A00N/A
2018N/A00N/A
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
2014-01-211225-089-1140ND
2014-01-221225-092-1145ND
2014-04-081225-082-1155ND
2014-04-241225-092-1005ND
2014-04-291225-089-1030ND
2014-06-231225-073-0910ND
2014-07-141225-082-1300ND
2014-08-141225-050-1150ND
2015-07-221225-070-0930ND
2016-01-205810-087-1055ND
2016-05-181225-087-1045ND
2016-08-171225-087-1330ND
2016-10-121225-087-0930ND