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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of Angleton

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

 

105

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
2014ND180ND
2015ND170ND
2016ND170ND
2017ND190ND
2018ND170ND
2019ND170ND

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
2014-02-25AC44549ND
2014-02-25AC44548ND
2014-02-25AC44473ND
2014-02-25AC44429ND
2014-02-25AC44447ND
2014-02-25AC44464ND
2014-05-08AC53610ND
2014-05-08AC53629ND
2014-05-08AC53593ND
2014-05-08AC53626ND
2014-08-08AC62926ND
2014-08-08AC62907ND
2014-08-08AC62906ND
2014-08-08AC62905ND
2014-11-03AC71022ND
2014-11-03AC71026ND
2014-11-03AC71018ND
2014-11-03AC71031ND
2015-01-15AC76559ND
2015-01-15AC76434ND
2015-01-15AC76439ND
2015-01-15AC76433ND
2015-01-15AC76437ND
2015-04-06AC87333ND
2015-04-06AC87341ND
2015-04-06AC87339ND
2015-04-06AC87342ND
2015-07-31AD02068ND
2015-07-31AD02072ND
2015-07-31AD02071ND
2015-07-31AD02070ND
2015-10-08AD09987ND
2015-10-08AD09984ND
2015-10-08AD09988ND
2015-10-08AD09989ND
2016-01-20AD19028ND
2016-01-20AD18908ND
2016-01-20AD18906ND
2016-01-20AD18905ND
2016-01-20AD18907ND
2016-04-14AD33171ND
2016-04-14AD33174ND
2016-04-14AD33175ND
2016-04-14AD33173ND
2016-07-19AD44687ND
2016-07-19AD44690ND
2016-07-19AD44688ND
2016-07-19AD44684ND
2016-12-08AD61142ND
2016-12-08AD61143ND
2016-12-08AD61145ND
2016-12-08AD61146ND
2017-01-12AD64840ND
2017-01-12AD64843ND
2017-01-12AD64675ND
2017-01-12AD64671ND
2017-01-12AD64676ND
2017-01-12AD64677ND
2017-03-28AD77245ND
2017-05-23AD85186ND
2017-05-23AD85184ND
2017-05-23AD85187ND
2017-05-23AD85183ND
2017-07-13AD89258ND
2017-07-13AD89257ND
2017-07-13AD89260ND
2017-07-13AD89259ND
2017-10-03AD99025ND
2017-10-03AD99022ND
2017-10-03AD99024ND
2017-10-03AD99023ND
2018-01-25AE10517ND
2018-01-25AE10518ND
2018-01-25AE10516ND
2018-01-25AE10519ND
2018-04-19AE23303ND
2018-04-19AE23188ND
2018-04-19AE23198ND
2018-04-19AE23187ND
2018-04-19AE23197ND
2018-08-15AE37122ND
2018-08-15AE37124ND
2018-08-15AE37126ND
2018-08-15AE37127ND
2018-11-08AE45759ND
2018-11-08AE45757ND
2018-11-08AE45756ND
2018-11-08AE45758ND
2019-01-28AE51596ND
2019-01-28AE51597ND
2019-01-28AE51595ND
2019-01-28AE51598ND
2019-05-02AE64714ND
2019-05-02AE64587ND
2019-05-02AE64594ND
2019-05-02AE64622ND
2019-05-02AE64621ND
2019-08-09AE78008ND
2019-08-09AE78009ND
2019-08-09AE78007ND
2019-08-09AE78016ND
2019-10-01AE85301ND
2019-10-01AE85309ND
2019-10-01AE85299ND
2019-10-01AE85304ND