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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

City of El Campo

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

 

104

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
2014ND200ND
2015ND160ND
2016ND160ND
2017ND200ND
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

Date Lab ID Result
2014-03-04AC45537ND
2014-03-04AC45534ND
2014-03-04AC45536ND
2014-03-04AC45535ND
2014-03-04AC45488ND
2014-03-04AC45460ND
2014-03-04AC45468ND
2014-03-04AC45466ND
2014-05-27AC55209ND
2014-05-27AC55210ND
2014-05-27AC55211ND
2014-05-27AC55222ND
2014-07-23AC60767ND
2014-07-23AC60745ND
2014-07-23AC60782ND
2014-07-23AC60797ND
2014-11-17AC72107ND
2014-11-17AC72138ND
2014-11-17AC72182ND
2014-11-17AC72143ND
2015-03-19AC85258ND
2015-03-19AC85255ND
2015-03-19AC85256ND
2015-03-19AC85260ND
2015-06-12AC95905ND
2015-06-12AC95922ND
2015-06-12AC95909ND
2015-06-12AC95902ND
2015-08-03AD02021ND
2015-08-03AD02020ND
2015-08-03AD01998ND
2015-08-03AD02022ND
2015-11-03AD12546ND
2015-11-03AD12557ND
2015-11-03AD12554ND
2015-11-03AD12545ND
2016-03-14AD28455ND
2016-03-14AD28458ND
2016-03-14AD28459ND
2016-03-14AD28460ND
2016-06-02AD39154ND
2016-06-02AD39108ND
2016-06-02AD39137ND
2016-06-02AD39153ND
2016-09-19AD49986ND
2016-09-19AD50009ND
2016-09-19AD49985ND
2016-09-19AD49982ND
2016-11-02AD56101ND
2016-11-02AD56108ND
2016-11-02AD56105ND
2016-11-02AD56102ND
2017-01-18AD65471ND
2017-01-18AD65475ND
2017-01-18AD65473ND
2017-01-18AD65345ND
2017-01-18AD65346ND
2017-01-18AD65344ND
2017-01-18AD65347ND
2017-04-10AD79021ND
2017-04-10AD78904ND
2017-04-10AD78905ND
2017-04-10AD78907ND
2017-04-10AD78906ND
2017-07-18AD89675ND
2017-07-18AD89673ND
2017-07-18AD89653ND
2017-07-18AD89674ND
2017-10-24AE01797ND
2017-10-24AE01794ND
2017-10-24AE01795ND
2017-10-24AE01796ND
2018-01-10AE08608ND
2018-01-10AE08611ND
2018-01-10AE08609ND
2018-01-10AE08610ND
2018-04-02AE20840ND
2018-04-02AE20838ND
2018-04-02AE20841ND
2018-04-02AE20844ND
2018-07-02AE32187ND
2018-07-02AE32192ND
2018-07-02AE32188ND
2018-07-02AE32195ND
2018-10-01AE42183ND
2018-10-01AE42188ND
2018-10-01AE42186ND
2018-10-01AE42185ND
2019-01-29AE51932ND
2019-01-29AE51935ND
2019-01-29AE51933ND
2019-01-29AE51931ND
2019-05-06AE64892ND
2019-05-06AE64891ND
2019-05-06AE64893ND
2019-05-06AE64894ND
2019-07-29AE76155ND
2019-07-29AE76153ND
2019-07-29AE76154ND
2019-07-29AE76169ND
2019-10-02AE85471ND
2019-10-02AE85473ND
2019-10-02AE85477ND
2019-10-02AE85474ND