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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Okeechobee Utility Authority

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.325 ppb41ND - 1.30 ppb
20150.715 ppb440.430 ppb - 1.000 ppb
20161.000 ppb111.000 ppb
2017ND30ND

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 Result
2014-05-271.30 ppb
2014-05-27ND
2014-10-29ND
2014-12-31ND
2015-02-170.430 ppb
2015-06-111.000 ppb
2015-08-030.540 ppb
2015-12-030.890 ppb
2016-06-131.000 ppb
2017-03-13ND
2017-05-31ND
2017-10-11ND