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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Covington County Water Authority

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND100ND
2017ND20ND
2018N/A00N/A
2019ND100ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-06140107004-1ND
2014-04-07140408064-1ND
2016-01-04160105030-2ND
2016-01-04160105030-5ND
2016-01-04160105030-4ND
2016-01-04160105030-1ND
2016-01-04160105030-3ND
2016-04-04160405094-1ND
2016-04-04160405094-4ND
2016-04-04160405094-3ND
2016-04-04160405094-2ND
2016-04-04160405094-5ND
2017-01-05170109016-1ND
2017-04-03170405080-1ND
2019-01-0719010197-003CND
2019-01-0719010197-001CND
2019-01-0719010197-002CND
2019-01-0719010197-004CND
2019-01-0719010197-005CND
2019-04-0119040053-001CND
2019-04-0119040053-002CND
2019-04-0119040053-003CND
2019-04-0119040053-004CND
2019-04-0119040053-005CND