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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Security Waster District

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND330ND
2016ND40ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

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
2015-01-05ND
2015-01-05ND
2015-01-05ND
2015-01-15ND
2015-01-15ND
2015-01-15ND
2015-01-15ND
2015-01-15ND
2015-01-20ND
2015-01-20ND
2015-01-20ND
2015-01-26ND
2015-01-26ND
2015-01-26ND
2015-01-27ND
2015-01-27ND
2015-02-23ND
2015-04-07ND
2015-04-23ND
2015-04-23ND
2015-04-23ND
2015-04-23ND
2015-04-23ND
2015-04-23ND
2015-04-27ND
2015-04-27ND
2015-04-27ND
2015-04-27ND
2015-04-27ND
2015-04-27ND
2015-04-27ND
2015-05-06ND
2015-05-06ND
2016-01-28ND
2016-02-17ND
2016-04-06ND
2016-04-06ND