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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Muskegon

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

MORE ABOUT THIS CONTAMINANT

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND160ND
2019ND160ND

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
2014-02-12LLF09456ND
2014-02-12LLF09453ND
2014-05-07LLF17407ND
2014-05-07LLF17409ND
2014-08-13LLF32792ND
2014-08-13LLF32791ND
2014-11-06LLF45769ND
2014-11-06LLF45770ND
2018-02-20LLH67112ND
2018-02-20LLH67112ND
2018-02-20LLH67110ND
2018-02-20LLH67110ND
2018-05-22LLH81948ND
2018-05-22LLH81948ND
2018-05-22LLH81947ND
2018-05-22LLH81947ND
2018-08-28LLI01980ND
2018-08-28LLI01980ND
2018-08-28LLI01982ND
2018-08-28LLI01982ND
2018-11-12LLI15161ND
2018-11-12LLI15162ND
2018-11-12LLI15161ND
2018-11-12LLI15162ND
2019-02-19LLI26402ND
2019-02-19LLI26402ND
2019-02-19LLI26399ND
2019-02-19LLI26399ND
2019-05-28LLI39789ND
2019-05-28LLI39789ND
2019-05-28LLI39788ND
2019-05-28LLI39788ND
2019-08-22LLI58883ND
2019-08-22LLI58883ND
2019-08-22LLI58884ND
2019-08-22LLI58884ND
2019-11-19LLI78149ND
2019-11-19LLI78149ND
2019-11-19LLI78147ND
2019-11-19LLI78147ND