Know Your Environment. Protect Your Health.

Endothall

Bud Well #7 Water Treatment Plant

NOTE: Bud Well #7 Water Treatment Plant purchases water from Tampa Bay Water Reg. Surface Water Plant which is required to test for endothall. Sample information shown below was taken by Tampa Bay Water Reg. Surface Water Plant.

Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND20ND
2022ND20ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 94 ppb

The EWG Health Guideline of 94 ppb for endothall was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for endothall, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

NOTE: Bud Well #7 Water Treatment Plant purchases water from Tampa Bay Water Reg. Surface Water Plant which is required to test for endothall. Sample information shown below was taken by Tampa Bay Water Reg. Surface Water Plant.

Date Result
2018-04-05ND
2018-04-11ND
2019-04-09ND
2019-04-10ND
2020-01-07ND
2020-04-06ND
2020-04-08ND
2021-04-12ND
2021-04-12ND
2022-04-05ND
2022-04-05ND
2022-07-20ND
2023-04-05ND
2023-04-05ND
2023-04-25ND