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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Park City Water System

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND130ND
2017ND20ND
2018N/A00N/A
2019ND40ND

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 Result
2015-08-18ND
2015-11-20ND
2016-01-26ND
2016-01-26ND
2016-01-26ND
2016-01-26ND
2016-01-26ND
2016-06-21ND
2016-06-21ND
2016-06-21ND
2016-06-21ND
2016-08-11ND
2016-08-24ND
2016-08-24ND
2016-12-15ND
2017-02-14ND
2017-06-21ND
2019-04-24ND
2019-05-08ND
2019-05-14ND
2019-06-18ND