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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Cottonwood Municipal Water Cw1

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

 

24

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
2014ND20ND
2015ND80ND
2016ND20ND
2017ND40ND
2018ND80ND
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
2014-12-08201412090201SBND
2014-12-08201412090201SAND
2015-02-24201502240234SBND
2015-02-24201502240234SAND
2015-06-03201506040078SCND
2015-06-03201506040078SBND
2015-06-03201506040078SAND
2015-08-26201508270023SCND
2015-08-26201508270023SBND
2015-08-26201508270023SAND
2016-04-06201604070132SND
2016-09-21201609220072SND
2017-03-14201703150222SND
2017-05-23201705240226SND
2017-08-08201708090339SND
2017-11-20201711210054SND
2018-05-16201805170470SDND
2018-05-16201805170470SCND
2018-05-16201805170470SBND
2018-05-16201805170470SAND
2018-10-25201810260038SAND
2018-10-25201810260038SDND
2018-10-25201810260038SCND
2018-10-25201810260038SBND