Know Your Environment. Protect Your Health.

Carbon tetrachloride

Coast Springs - Cal. Water Service (puc)

Carbon tetrachloride, a volatile carcinogenic solvent, has been used in industrial chemical production and as a dry cleaning ingredient. Read More.

Carbon tetrachloride is no longer permitted in products intended for home use in the U.S. In the past, it was widely used as a dry cleaning ingredient, fire extinguishing chemical, pesticide and chemical intermediate for manufacturing refrigerants. Carbon tetrachloride does not break down easily and can remain in groundwater for years. In addition to increasing cancer risk, carbon tetrachloride harms the liver and causes central nervous system depression, irregular heart rate, and kidney damage. Maternal exposure to carbon tetrachloride in drinking water has been associated with a risk of birth defects.

Click here to read more about carcinogenic VOCs.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND60ND
2020ND40ND
2021ND50ND
2022ND60ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for carbon tetrachloride 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 cancer.

EPA Maximum Contaminant
Level (MCL): 5 ppb

The legal limit for carbon tetrachloride, established in 1987, was based on analytical detection limits at the time that the standard was set. This limit does not fully protect against the risk of cancer due to carbon tetrachloride exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-12CA2110007_001_001-201807121225ND
2018-07-12CA2110007_015_015-201807121235ND
2018-07-23CA2110007_003_003-201807231145ND
2018-07-23CA2110007_004_004-201807231200ND
2018-09-18CA2110007_007_007-201809181055ND
2019-01-08CA2110007_006_006-201901081050ND
2019-06-18CA2110007_015_015-201906181100ND
2019-06-18CA2110007_001_001-201906181050ND
2019-08-28CA2110007_010_010-201908281100ND
2019-08-28CA2110007_005_005-201908281025ND
2019-11-20CA2110007_002_002-201911201015ND
2020-03-25CA2110007_015_015-202003251035ND
2020-03-25CA2110007_001_001-202003251025ND
2020-04-20CA2110007_008_008-202004201025ND
2020-08-19CA2110007_016_016-202008190935ND
2021-06-08CA2110007_001_001-202106081015ND
2021-06-08CA2110007_015_015-202106081010ND
2021-07-06CA2110007_003_003-202107060945ND
2021-07-06CA2110007_004_004-202107061010ND
2021-08-18CA2110007_007_007-202108181300ND
2022-02-23CA2110007_006_006-202202230945ND
2022-06-21CA2110007_015_015-202206211030ND
2022-06-21CA2110007_001_001-202206211115ND
2022-08-16CA2110007_010_010-202208161215ND
2022-08-16CA2110007_005_005-202208161255ND
2022-10-31CA2110007_002_002-202210311125ND
2023-04-17CA2110007_008_008-202304171135ND
2023-06-06CA2110007_001_001-202306061055ND
2023-06-06CA2110007_015_015-202306061100ND
2023-08-24CA2110007_016_016-202308241210ND