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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Town of Quintana

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

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.350 ppb41ND - 1.40 ppb
20130.340 ppb51ND - 1.70 ppb
20140.500 ppb41ND - 2.00 ppb
2015ND40ND
2016ND50ND
2017ND40ND

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
2012-03-28AB85462ND
2012-05-30AB91225ND
2012-09-05AC00131ND
2012-12-12AC066061.40 ppb
2013-02-11AC10168ND
2013-02-11AC10218ND
2013-06-10AC21688ND
2013-09-12AC300441.70 ppb
2013-11-15AC35476ND
2014-02-12AC42441ND
2014-05-06AC53206ND
2014-07-15AC597662.00 ppb
2014-11-25AC73035ND
2015-01-27AC77907ND
2015-04-17AC88764ND
2015-08-13AD04086ND
2015-11-10AD13163ND
2016-01-19AD18563ND
2016-04-11AD32639ND
2016-04-11AD32538ND
2016-10-18AD53534ND
2016-12-07AD60872ND
2017-02-15AD70835ND
2017-05-09AD83286ND
2017-08-21AD93716ND
2017-10-10AE00039ND