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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Martinsburg

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

 

8

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
2015N/A00N/A
2016ND40ND
2017N/A00N/A
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 Lab ID Result
2016-02-0916020864-001AND
2016-02-2216021581-001AND
2016-04-1216040898-001AND
2016-05-12364073ND
2019-01-15680-163294-1ND
2019-01-22680-163556-1ND
2019-04-10680-167497-1ND
2019-04-30680-168463-1ND