Know Your Environment. Protect Your Health.

Dinoseb

Castle Mountain Creeks Owners Association

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
2019ND10ND
2020ND40ND
2021ND40ND
2022ND40ND
2023N/A00N/A

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
2019-01-07S1900713ND
2020-02-11S2006067ND
2020-05-13S2021731ND
2020-08-24S2041261ND
2020-12-08S2061672ND
2021-01-08S2101074ND
2021-04-15S2117132ND
2021-07-15S2135856ND
2021-10-26S2157582ND
2022-03-07S2210666ND
2022-04-06S2216003ND
2022-09-15S2246108ND
2022-12-22S2262581ND