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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

City of Winter Park

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

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.05 ppb21ND - 2.10 ppb
20130.500 ppb21ND - 1.000 ppb
20140.611 ppb94ND - 1.60 ppb
20151.73 ppb331.20 ppb - 2.40 ppb
20160.433 ppb31ND - 1.30 ppb
20170.463 ppb83ND - 1.40 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
2012-01-202.10 ppb
2012-08-14ND
2013-02-15ND
2013-09-091.000 ppb
2014-02-101.60 ppb
2014-04-031.60 ppb
2014-04-031.20 ppb
2014-04-031.10 ppb
2014-08-12ND
2014-08-12ND
2014-08-12ND
2014-08-12ND
2014-12-04ND
2015-01-082.40 ppb
2015-03-091.20 ppb
2015-07-151.60 ppb
2016-02-161.30 ppb
2016-02-16ND
2016-07-13ND
2017-02-14ND
2017-02-14ND
2017-04-131.10 ppb
2017-04-13ND
2017-04-13ND
2017-09-26ND
2017-09-261.40 ppb
2017-09-261.20 ppb