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EWG's Tap Water Database — 2021 UPDATE

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Dinoseb

Caddo Lake Water Supply Corporation

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND20ND
2019ND10ND

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
2014-12-04Q1458533003ND
2015-07-23Q1528834007ND
2015-07-23Q1528834008ND
2016-10-18Q1644106011ND
2017-05-31Q1723179003ND
2018-09-20Q1837726007ND
2018-09-20Q1837726008ND
2019-06-10Q1933418012ND