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EWG's Tap Water Database — 2021 UPDATE

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Dacthal

City of Newport

Dacthal is a weedkiller classified by the Environmental Protection Agency as a possible human carcinogen, and prohibited for use in Europe since 2009.

MORE ABOUT THIS CONTAMINANT

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0294 ppb161ND - 0.470 ppb
2015N/A00N/A
2016N/A00N/A
20170.139 ppb163ND - 1.000 ppb
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-061401012-05_PE21ND
2014-01-061401012-07_PE21ND
2014-01-061401012-06_PE21ND
2014-01-061401012-04_PE21ND
2014-01-061401012-08_PE21ND
2014-05-211402793-04_PE21ND
2014-05-211402793-06_PE21ND
2014-05-211402793-05_PE21ND
2014-07-021403537-01_PE21ND
2014-07-021403537-05_PE21ND
2014-07-021403537-04_PE210.470 ppb
2014-07-021403537-03_PE21ND
2014-07-021403537-02_PE21ND
2014-11-171405683-05_PE21ND
2014-11-171405683-06_PE21ND
2014-11-171405683-02_PE21ND
2017-01-241701020-02_PE21ND
2017-01-251701027-03_PE21ND
2017-01-251701027-05_PE21ND
2017-01-251701027-04_PE210.450 ppb
2017-01-251701027-02_PE21ND
2017-05-151702185-02_PE21ND
2017-05-151702185-01_PE21ND
2017-05-191702237-05_PE21ND
2017-07-101703108-03_PE21ND
2017-07-101703108-02_PE210.780 ppb
2017-07-101703108-01_PE211.000 ppb
2017-07-101703108-04_PE21ND
2017-07-111703142-02_PE21ND
2017-11-141704991-05_PE21ND
2017-11-201705061-02_PE21ND
2017-11-201705061-01_PE21ND