Know Your Environment. Protect Your Health.

Dinoseb

Guilford Water Authority

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020ND60ND
2021N/A00N/A
2022N/A00N/A
2023ND100ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-05-298055384-01ND
2018-09-048091925-01ND
2018-12-118122846-01ND
2019-03-059032320-01ND
2020-06-0922559587.00ND
2020-06-0922559557.00ND
2020-06-0922559527.00ND
2020-09-0923136529.00ND
2020-09-0923136552.00ND
2020-09-0923136582.00ND
2023-05-1729053232.00ND
2023-05-1729053248.00ND
2023-05-1729053264.00ND
2023-05-2429053422.00ND
2023-05-2429053389.00ND
2023-07-1829651142.00ND
2023-07-1829651234.00ND
2023-07-1829651154.00ND
2023-08-0129651262.00ND
2023-08-0129651209.00ND