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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

North Texas Municipal Water District - Bonham Water Treatment Plant

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.380 ppb31ND - 1.14 ppb
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

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
2012-03-051203120003ND
2012-06-0412060700021.14 ppb
2012-08-211208A51004ND
2013-03-071303267006ND
2014-02-04Q1403415003ND
2015-05-19Q1518440004ND
2016-07-27Q1630662007ND
2017-08-07Q1732975006ND