Trichlorofluoromethane
Richardson County Rural Water District 2
NOTE: Richardson County Rural Water District 2 purchases water from Falls City, City of which is required to test for trichlorofluoromethane. Sample information shown below was taken by Falls City, City of.
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 | 2 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 8 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 8 | 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: Richardson County Rural Water District 2 purchases water from Falls City, City of which is required to test for trichlorofluoromethane. Sample information shown below was taken by Falls City, City of.
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-14 | 567278 | ND |
| 2018-08-14 | 567277 | ND |
| 2019-08-12 | 628467 | ND |
| 2019-08-12 | 628466 | ND |
| 2020-05-12 | 667088 | ND |
| 2020-08-10 | 689941 | ND |
| 2020-08-10 | 689940 | ND |
| 2021-08-09 | 753825 | ND |
| 2021-08-09 | 753824 | ND |
| 2022-08-09 | 816220 | ND |
| 2022-08-09 | 816219 | ND |
| 2023-06-12 | 856281 | ND |
| 2023-08-01 | 880284 | ND |
| 2023-08-01 | 880285 | ND |