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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Stilwell

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

 

6

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
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND50ND

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
2018-08-06SDWA-1292016-00ND
2019-01-09SDWA-1340515-00ND
2019-01-22SDWA-1342997-00ND
2019-05-08SDWA-1366296-00ND
2019-08-06SDWA-1402151-00ND
2019-11-05SDWA-1433380-00ND