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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Sirwa #3 (leon)

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

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20142.20 ppb112.20 ppb
20151.30 ppb111.30 ppb
20161.45 ppb221.30 ppb - 1.60 ppb
20171.10 ppb111.10 ppb
20180.800 ppb110.800 ppb
20190.600 ppb110.600 ppb

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