Trichlorofluoromethane
City Of Brazoria
NOTE: City Of Brazoria purchases water from Brazosport Water Authority which is required to test for trichlorofluoromethane. Sample information shown below was taken by Brazosport Water Authority.
Trichlorofluoromethane (Freon 11) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1,300 ppb
The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane 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 internal organs.
ppb = parts per billion
All test results
NOTE: City Of Brazoria purchases water from Brazosport Water Authority which is required to test for trichlorofluoromethane. Sample information shown below was taken by Brazosport Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-12 | AE33163 | ND |
| 2019-07-08 | AE73438 | ND |
| 2020-08-26 | AF25689 | ND |
| 2021-08-16 | AF66462 | ND |
| 2022-09-07 | AG11875 | ND |
| 2023-08-24 | AG54042 | ND |
| 2023-11-13 | AG63369 | ND |