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EWG's Tap Water Database — 2019 UPDATE

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Dalapon

Galveston County WCID 1

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

 

106

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND200ND
2013ND160ND
2014ND190ND
2015ND160ND
2016ND160ND
20170.0947 ppb191ND - 1.80 ppb

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
2012-02-01AB79779ND
2012-02-01AB79780ND
2012-02-01AB79781ND
2012-02-01AB79782ND
2012-04-05AB86237ND
2012-04-05AB86192ND
2012-04-05AB86181ND
2012-04-05AB86182ND
2012-06-01AB91632ND
2012-06-01AB91623ND
2012-06-01AB91622ND
2012-06-01AB91637ND
2012-08-23AB99529ND
2012-08-23AB99526ND
2012-08-23AB99527ND
2012-08-23AB99528ND
2012-11-27AC05657ND
2012-11-27AC05648ND
2012-11-27AC05656ND
2012-11-27AC05647ND
2013-02-05AC09684ND
2013-02-05AC09679ND
2013-02-05AC09680ND
2013-02-05AC09683ND
2013-05-29AC20744ND
2013-05-29AC20756ND
2013-05-29AC20754ND
2013-05-29AC20745ND
2013-08-15AC27945ND
2013-08-15AC27952ND
2013-08-15AC27943ND
2013-08-15AC27948ND
2013-11-18AC35447ND
2013-11-18AC35434ND
2013-11-18AC35432ND
2013-11-18AC35445ND
2014-01-30AC40906ND
2014-01-30AC40902ND
2014-01-30AC40900ND
2014-02-21AC44225ND
2014-02-21AC44227ND
2014-02-21AC44230ND
2014-02-21AC44226ND
2014-06-03AC55876ND
2014-06-03AC55877ND
2014-06-03AC55878ND
2014-06-03AC55872ND
2014-07-30AC61608ND
2014-07-30AC61614ND
2014-07-30AC61617ND
2014-07-30AC61615ND
2014-10-22AC70302ND
2014-10-22AC70301ND
2014-10-22AC70304ND
2014-10-22AC70303ND
2015-01-15AC76427ND
2015-01-15AC76428ND
2015-01-15AC76422ND
2015-01-15AC76421ND
2015-05-06AC90707ND
2015-05-06AC90747ND
2015-05-06AC90745ND
2015-05-06AC90752ND
2015-07-07AC98533ND
2015-07-07AC98537ND
2015-07-07AC98534ND
2015-07-07AC98536ND
2015-10-28AD11983ND
2015-10-28AD11984ND
2015-10-28AD11982ND
2015-10-28AD11981ND
2016-01-26AD20041ND
2016-01-26AD20033ND
2016-01-26AD20028ND
2016-01-26AD20029ND
2016-05-16AD36752ND
2016-05-16AD36781ND
2016-05-16AD36780ND
2016-05-16AD36756ND
2016-09-29AD51873ND
2016-09-29AD51872ND
2016-09-29AD51880ND
2016-09-29AD51874ND
2016-11-29AD59335ND
2016-11-29AD59338ND
2016-11-29AD59342ND
2016-11-29AD59340ND
2017-01-26AD67264ND
2017-01-26AD67271ND
2017-01-26AD67263ND
2017-01-26AD67131ND
2017-01-26AD67130ND
2017-01-26AD67132ND
2017-01-26AD67138ND
2017-04-25AD811261.80 ppb
2017-04-25AD81124ND
2017-04-25AD81150ND
2017-04-25AD81130ND
2017-07-24AD90336ND
2017-07-24AD90283ND
2017-07-24AD90287ND
2017-07-24AD90286ND
2017-10-16AE00810ND
2017-10-16AE00811ND
2017-10-16AE00812ND
2017-10-16AE00813ND