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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Marquette

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

 

60

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND160ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND280ND
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
2014-03-24LLF12509ND
2014-03-24LLF12507ND
2014-03-24LLF12508ND
2014-03-24LLF12506ND
2014-06-30LLF25201ND
2014-06-30LLF25199ND
2014-06-30LLF25198ND
2014-06-30LLF25200ND
2014-09-29LLF41081ND
2014-09-29LLF41079ND
2014-09-29LLF41080ND
2014-09-29LLF41078ND
2014-12-08LLF48769ND
2014-12-08LLF48768ND
2014-12-08LLF48771ND
2014-12-08LLF48770ND
2018-03-14LLH70848ND
2018-03-14LLH70848ND
2018-03-14LLH70846ND
2018-03-14LLH70846ND
2018-03-14LLH70845ND
2018-03-14LLH70845ND
2018-03-14LLH70847ND
2018-03-14LLH70847ND
2018-06-18LLH87086ND
2018-06-18LLH87086ND
2018-06-18LLH87089ND
2018-06-18LLH87089ND
2018-06-18LLH87088ND
2018-06-18LLH87087ND
2018-06-18LLH87087ND
2018-06-18LLH87088ND
2018-09-30LLI09373ND
2018-09-30LLI09376ND
2018-09-30LLI09376ND
2018-09-30LLI09373ND
2018-09-30LLI09375ND
2018-09-30LLI09374ND
2018-09-30LLI09374ND
2018-09-30LLI09375ND
2018-12-17LLI19715ND
2018-12-17LLI19715ND
2018-12-17LLI19716ND
2018-12-17LLI19716ND
2019-03-11LLI28718ND
2019-03-11LLI28719ND
2019-03-11LLI28719ND
2019-03-11LLI28718ND
2019-06-10LLI42025ND
2019-06-10LLI42025ND
2019-06-10LLI42026ND
2019-06-10LLI42026ND
2019-09-17LLI64832ND
2019-09-17LLI64832ND
2019-09-17LLI64833ND
2019-09-17LLI64833ND
2019-12-16LLI83932ND
2019-12-16LLI83932ND
2019-12-16LLI83931ND
2019-12-16LLI83931ND