Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Yuima Municipal Water District Ida

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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201829.2 ppb54ND - 63.0 ppb
201954.0 ppb4431.0 ppb - 89.0 ppb
202041.6 ppb75ND - 110.0 ppb
202160.7 ppb555.40 ppb - 100.0 ppb
202273.7 ppb3354.0 ppb - 96.0 ppb
202320.9 ppb103ND - 95.0 ppb

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

Date Lab ID Result
2018-01-09CA3700938_012_012-20180109092063.0 ppb
2018-04-10CA3700938_012_012-20180410080039.0 ppb
2018-07-10CA3700938_005_005-201807100830ND
2018-07-10CA3700938_012_012-20180710080020.0 ppb
2018-10-09CA3700938_012_012-20181009110524.0 ppb
2019-01-08CA3700938_012_012-20190108081589.0 ppb
2019-04-09CA3700938_012_012-20190409112548.0 ppb
2019-07-09CA3700938_012_012-20190709084531.0 ppb
2019-10-08CA3700938_012_012-20191008090048.0 ppb
2020-01-14CA3700938_012_012-202001141007110.0 ppb
2020-04-14CA3700938_012_012-20200414083096.0 ppb
2020-07-14CA3700938_012_012-20200714111035.0 ppb
2020-07-14CA3700938_006_006-20200714101013.0 ppb
2020-07-14CA3700938_031_031-202007141035ND
2020-07-14CA3700938_048_048-202007141207ND
2020-10-13CA3700938_012_012-20201013100037.0 ppb
2021-01-12CA3700938_012_012-20210112091582.0 ppb
2021-04-13CA3700938_012_012-20210413123072.0 ppb
2021-07-13CA3700938_012_012-20210713082544.0 ppb
2021-07-13CA3700938_005_005-2021071309305.40 ppb
2021-10-18CA3700938_012_012-202110181100100.0 ppb
2022-01-10CA3700938_012_012-20220110080096.0 ppb
2022-04-04CA3700938_012_012-20220404120071.0 ppb
2022-10-12CA3700938_012_012-20221012084554.0 ppb
2023-02-13CA3700938_012_012-20230213131595.0 ppb
2023-05-01CA3700938_037_037-202305011010ND
2023-07-11CA3700938_011_011-202307110900ND
2023-07-11CA3700938_020_020-202307110750ND
2023-07-11CA3700938_047_047-202307110840ND
2023-07-11CA3700938_006_006-20230711075030.0 ppb
2023-07-11CA3700938_012_012-20230711091584.0 ppb
2023-07-11CA3700938_031_031-202307110730ND
2023-07-11CA3700938_004_004-202307110730ND
2023-10-02CA3700938_048_048-202310020840ND