Know Your Environment. Protect Your Health.

Dinoseb

Holly Hills Mutual Water Company

NOTE: Holly Hills Mutual Water Company purchases water from Normco Water Company which is required to test for dinoseb. Sample information shown below was taken by Normco Water Company.

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

 

2

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND10ND
2021N/A00N/A
2022N/A00N/A
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: Holly Hills Mutual Water Company purchases water from Normco Water Company which is required to test for dinoseb. Sample information shown below was taken by Normco Water Company.

Date Lab ID Result
2020-08-17CA2700511_002_002-202008170950ND
2023-08-07CA2700511_002_002-202308071125ND