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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Files Valley Water Supply Corporation

NOTE: Files Valley Water Supply Corporation purchases water from Aquilla WSD which is required to test for dalapon. Sample information shown below was taken by Aquilla WSD.

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

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017N/A00N/A
2018N/A00N/A
2019ND10ND

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

NOTE: Files Valley Water Supply Corporation purchases water from Aquilla WSD which is required to test for dalapon. Sample information shown below was taken by Aquilla WSD.

Date Lab ID Result
2014-06-17AC57138ND
2015-09-08AD05863ND
2016-02-17AD24042ND
2016-05-03AD35048ND
2019-01-15Q1902312005ND