Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Dalapon

Daytona Beach

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

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.31 ppb14140.730 ppb - 3.20 ppb
20130.733 ppb65ND - 1.000 ppb
20140.655 ppb65ND - 1.10 ppb
20150.900 ppb31ND - 2.70 ppb
2016ND20ND
20170.433 ppb31ND - 1.30 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 Result
2012-03-201.60 ppb
2012-05-220.730 ppb
2012-07-260.780 ppb
2012-08-022.40 ppb
2012-08-281.80 ppb
2012-08-293.00 ppb
2012-08-302.60 ppb
2012-08-312.80 ppb
2012-09-012.60 ppb
2012-09-042.80 ppb
2012-09-052.60 ppb
2012-09-062.40 ppb
2012-09-073.20 ppb
2012-09-083.00 ppb
2013-01-080.820 ppb
2013-03-280.750 ppb
2013-04-220.930 ppb
2013-07-110.900 ppb
2013-07-111.000 ppb
2013-10-07ND
2014-01-080.720 ppb
2014-03-251.10 ppb
2014-04-090.740 ppb
2014-06-17ND
2014-07-090.680 ppb
2014-10-080.690 ppb
2015-01-222.70 ppb
2015-02-11ND
2015-04-20ND
2016-03-03ND
2016-06-01ND
2017-02-07ND
2017-06-071.30 ppb
2017-07-13ND