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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Midland

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

 

52

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
2014ND120ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND240ND
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
2014-01-10LLF07154ND
2014-01-10LLF07153ND
2014-02-07LLF09175ND
2014-02-07LLF09176ND
2014-02-07LLF09177ND
2014-02-14LLF09716ND
2014-04-11LLF14729ND
2014-04-11LLF14728ND
2014-07-11LLF27058ND
2014-07-11LLF27059ND
2014-10-13LLF43325ND
2014-10-13LLF43326ND
2018-01-10LLH60706ND
2018-01-10LLH60706ND
2018-01-10LLH60707ND
2018-01-10LLH60707ND
2018-04-12LLH75327ND
2018-04-12LLH75327ND
2018-04-12LLH75326ND
2018-04-12LLH75326ND
2018-07-11LLH92525ND
2018-07-11LLH92525ND
2018-07-11LLH92524ND
2018-07-11LLH92524ND
2018-10-03LLI10054ND
2018-10-03LLI10054ND
2018-10-03LLI10055ND
2018-10-03LLI10055ND
2018-10-24LLI12836ND
2018-10-24LLI12837ND
2018-10-24LLI12835ND
2018-10-24LLI12835ND
2018-10-24LLI12836ND
2018-10-24LLI12834ND
2018-10-24LLI12834ND
2018-10-24LLI12837ND
2019-01-09LLI21905ND
2019-01-09LLI21905ND
2019-01-09LLI21906ND
2019-01-09LLI21906ND
2019-04-09LLI32631ND
2019-04-09LLI32631ND
2019-04-09LLI32630ND
2019-04-09LLI32630ND
2019-07-10LLI49065ND
2019-07-10LLI49065ND
2019-07-10LLI49066ND
2019-07-10LLI49066ND
2019-10-09LLI70203ND
2019-10-09LLI70203ND
2019-10-09LLI70204ND
2019-10-09LLI70204ND