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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Farmington 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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016ND110ND
2017N/A00N/A
2018N/A00N/A
2019ND80ND

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
2014-03-18ND
2014-06-16ND
2014-09-17ND
2014-12-11ND
2016-01-22ND
2016-02-03ND
2016-02-10ND
2016-09-13ND
2016-09-13ND
2016-09-13ND
2016-09-13ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2019-05-07ND
2019-05-08ND
2019-05-15ND
2019-05-15ND
2019-09-20ND
2019-09-20ND
2019-09-20ND
2019-09-20ND