Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Concho Rural Water Grape Creek

NOTE: Concho Rural Water Grape Creek purchases water from City of San Angelo which is required to test for trichlorofluoromethane. Sample information shown below was taken by City of San Angelo.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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: Concho Rural Water Grape Creek purchases water from City of San Angelo which is required to test for trichlorofluoromethane. Sample information shown below was taken by City of San Angelo.

Date Lab ID Result
2018-02-28Q1808687007ND
2019-05-07Q1920785002ND
2020-02-18Q2006105001ND
2021-04-27Q2110656002ND
2022-02-14Q2205298009ND
2023-02-15Q2306325010ND