Know Your Environment. Protect Your Health.

Dinoseb

Gulf County Water Department (lighthouse)

NOTE: Gulf County Water Department (lighthouse) purchases water from City of Port St. Joe which is required to test for dinoseb. Sample information shown below was taken by City of Port St. Joe.

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

 

4

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
2020ND10ND
2021ND20ND
2022ND10ND
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: Gulf County Water Department (lighthouse) purchases water from City of Port St. Joe which is required to test for dinoseb. Sample information shown below was taken by City of Port St. Joe.

Date Result
2020-05-12ND
2020-10-20ND
2022-10-12ND
2023-05-04ND