Know Your Environment. Protect Your Health.

Dinoseb

City of Richwood

NOTE: City of Richwood purchases water from Brazosport Water Authority which is required to test for dinoseb. Sample information shown below was taken by Brazosport Water Authority.

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
2018ND10ND
2019ND20ND
2020ND20ND
2021ND10ND
2022ND20ND
2023ND10ND

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

NOTE: City of Richwood purchases water from Brazosport Water Authority which is required to test for dinoseb. Sample information shown below was taken by Brazosport Water Authority.

Date Lab ID Result
2018-01-22AE09661ND
2019-02-07AE53589ND
2020-03-17AF03340ND
2021-01-21AF40428ND
2022-01-24AF81413ND
2023-05-15AG40580ND
2023-08-24AG54085ND
2023-11-13AG63408ND