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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Port Lavaca

NOTE: City of Port Lavaca purchases water from Gbra Port Lavaca which is required to test for dalapon. Sample information shown below was taken by Gbra Port Lavaca.

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

MORE ABOUT THIS CONTAMINANT

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND120ND
2015ND160ND
2016ND160ND
2017ND160ND
2018ND160ND
2019ND160ND

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: City of Port Lavaca purchases water from Gbra Port Lavaca which is required to test for dalapon. Sample information shown below was taken by Gbra Port Lavaca.

Date Lab ID Result
2014-05-28AC55382ND
2014-09-22AC67698ND
2014-12-05AC74012ND
2015-02-17AC80677ND
2015-06-25AC97528ND
2015-08-18AD04794ND
2015-11-16AD13547ND
2016-01-26AD20056ND
2016-01-26AD20167ND
2016-04-19AD33437ND
2016-09-21AD50873ND
2016-09-21AD50731ND
2016-12-14AD62261ND
2016-12-14AD62172ND
2017-02-21AD71476ND
2017-02-21AD71547ND
2017-05-22AD85043ND
2017-05-22AD85093ND
2017-08-22AD93731ND
2017-11-29AE06084ND
2018-03-01AE16299ND
2018-03-01AE16412ND
2018-05-31AE28274ND
2018-08-28AE38637ND
2018-11-14AE46062ND
2019-02-25AE55932ND
2019-02-25AE56070ND
2019-05-21AE67623ND
2019-08-20AE79500ND
2019-10-22AE87207ND