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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Norwich Public Utilities

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017ND60ND
2018N/A00N/A
2019N/A00N/A

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
2014-05-016300206SOC5ND
2014-05-016300207SOC5ND
2014-05-016300208SOC5ND
2014-09-106300380SOC5ND
2014-09-106300381SOC5ND
2014-09-106300382SOC5ND
2017-05-04PH-0453-6303174SND
2017-05-04PH-0453-6303175SND
2017-05-04PH-0453-6303176SND
2017-07-06PH-0453-6303367SND
2017-07-06PH-0453-6303368SND
2017-07-06PH-0453-6303369SND