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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Big Bend Water District

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND30ND
2017ND40ND
2018ND20ND
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

Date Lab ID Result
2014-02-2514020370-001ND
2014-08-1214080164-001ND
2015-02-1015020137-001ND
2015-08-2515080452-001ND
2016-02-0916020138-001ND
2016-08-09S1603941002ND
2016-08-09S1603941001ND
2017-02-21S1701130002ND
2017-02-21S1701130001ND
2017-08-07S1701362002ND
2017-08-07S1701362001ND
2018-02-06S1705619001ND
2018-08-16S1801116001ND
2019-02-20S1806208001ND