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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Spicewood Beach Water Supply Corporation

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND40ND
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
2014-05-14AC54244ND
2015-05-20AC92863ND
2015-05-20AC92789ND
2016-08-02AD46583ND
2017-09-14AD96210ND
2018-06-11AE29315ND
2018-06-11AE29223ND
2018-09-17AE40215ND
2018-11-19AE46402ND
2019-02-22AE55520ND
2019-04-04AE61178ND
2019-07-18AE74996ND
2019-11-05AE88430ND