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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Monroe

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

 

47

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
2014ND170ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND140ND
20190.125 ppb162ND - 1.000 ppb

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
2014-02-10LLF09028ND
2014-02-10LLF09031ND
2014-02-10LLF09030ND
2014-02-10LLF09029ND
2014-05-06LLF17157ND
2014-05-06LLF17158ND
2014-05-06LLF17160ND
2014-05-06LLF17159ND
2014-06-11LLF22426ND
2014-08-12LLF32450ND
2014-08-12LLF32451ND
2014-08-12LLF32452ND
2014-08-12LLF32453ND
2014-11-19LLF47074ND
2014-11-19LLF47076ND
2014-11-19LLF47073ND
2014-11-19LLF47075ND
2018-02-06LLH64822ND
2018-02-06LLH64822ND
2018-02-06LLH64823ND
2018-02-06LLH64823ND
2018-05-08LLH79461ND
2018-05-08LLH79461ND
2018-05-08LLH79462ND
2018-05-08LLH79462ND
2018-08-14LLH99177ND
2018-08-14LLH99177ND
2018-11-06LLI14539ND
2018-11-06LLI14539ND
2018-11-06LLI14540ND
2018-11-06LLI14540ND
2019-02-14LLI25693ND
2019-02-14LLI25693ND
2019-02-14LLI25694ND
2019-02-14LLI25694ND
2019-05-07LLI36692ND
2019-05-07LLI36691ND
2019-05-07LLI36691ND
2019-05-07LLI36692ND
2019-08-06LLI54577ND
2019-08-06LLI54577ND
2019-08-06LLI545761.000 ppb
2019-08-06LLI545761.000 ppb
2019-11-05LLI75188ND
2019-11-05LLI75188ND
2019-11-05LLI75187ND
2019-11-05LLI75187ND