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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Matagorda County Water Control and Improvement District 5

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND10ND
2015ND20ND
2016ND20ND
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
2012-10-30AC04228ND
2013-09-30AC31735ND
2014-08-12AC63211ND
2015-05-21AC92970ND
2015-05-21AC93133ND
2016-07-21AD45179ND
2016-12-05AD60458ND
2017-03-28AD77235ND
2017-05-18AD84846ND
2017-05-18AD84935ND
2017-07-31AD91446ND