Know Your Environment. Protect Your Health.

Dinoseb

Brunswick / Topsham Water District

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2020-10-212010-02991-003ND
2020-10-212010-02991-002ND
2020-10-212010-02991-001ND
2020-12-092012-01306-003ND
2020-12-092012-01306-002ND
2020-12-092012-01306-001ND
2022-07-21402201615-TQ1ND
2023-06-202306-04108-001ND
2023-06-202306-04106-001ND
2023-06-202306-04100-001ND
2023-11-152311-02949-001ND
2023-11-152311-02947-001ND
2023-11-152311-02946-001ND