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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Bridgeport Township

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
20190.250 ppb164ND - 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
2014-01-21LLF07618ND
2014-01-21LLF07617ND
2014-04-16LLF14880ND
2014-04-16LLF14881ND
2014-07-14LLF27060ND
2014-07-14LLF27061ND
2014-10-15LLF43435ND
2014-10-15LLF43434ND
2018-01-18LLH61673ND
2018-01-18LLH61673ND
2018-01-18LLH61674ND
2018-01-18LLH61674ND
2018-04-11LLH75155ND
2018-04-11LLH75156ND
2018-04-11LLH75156ND
2018-04-11LLH75155ND
2018-07-11LLH92526ND
2018-07-11LLH92526ND
2018-07-11LLH92527ND
2018-07-11LLH92527ND
2018-10-10LLI10938ND
2018-10-10LLI10937ND
2018-10-10LLI10937ND
2018-10-10LLI10938ND
2019-01-23LLI23212ND
2019-01-23LLI23212ND
2019-01-23LLI23211ND
2019-01-23LLI23211ND
2019-04-17LLI33790ND
2019-04-17LLI33790ND
2019-04-17LLI33791ND
2019-04-17LLI33791ND
2019-07-15LLI49648ND
2019-07-15LLI49648ND
2019-07-15LLI49647ND
2019-07-15LLI49647ND
2019-10-21LLI716061.000 ppb
2019-10-21LLI716061.000 ppb
2019-10-21LLI716051.000 ppb
2019-10-21LLI716051.000 ppb