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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Centennial Park Domestic Water Improvement District

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND10ND
2017ND160ND
2018ND30ND
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
2016-08-29201608300195SND
2017-02-21201702220068CSND
2017-02-21201702220068BSND
2017-02-21201702220068ASND
2017-03-13201703140304SND
2017-05-30201705310067DSND
2017-05-30201705310067CSND
2017-05-30201705310067BSND
2017-05-30201705310067ASND
2017-08-23201708240184DSND
2017-08-23201708240184CSND
2017-08-23201708240184BSND
2017-08-23201708240184ASND
2017-10-23201710240250SDND
2017-10-23201710240250SCND
2017-10-23201710240250SBND
2017-10-23201710240250SAND
2018-05-30201805310333SCND
2018-05-30201805310333SBND
2018-09-11201809120466SBND