Know Your Environment. Protect Your Health.

Carbon tetrachloride

Cook Springs Water Authority

NOTE: Cook Springs Water Authority purchases water from Odenville which is required to test for carbon tetrachloride. Sample information shown below was taken by Odenville.

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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

NOTE: Cook Springs Water Authority purchases water from Odenville which is required to test for carbon tetrachloride. Sample information shown below was taken by Odenville.

Date Lab ID Result
2018-02-121802-00225-4ND
2018-02-121802-00225-7ND
2018-02-231802-00412-2ND
2018-04-021804-00026-16AND
2018-04-021804-00026-12AND
2018-08-141808-00215-004ND
2018-08-141808-00215-007ND
2018-11-151811-00326-003ND
2018-11-151811-00326-006ND
2018-11-151811-00326-008ND
2019-02-111902-00119-003ND
2019-02-111902-00119-006ND
2019-02-111902-00119-010ND
2019-05-131905-00211-014ND
2019-05-131905-00211-018ND
2019-08-151908-00227-005ND
2019-08-151908-00227-008ND
2019-11-121911-00174-001ND
2019-11-121911-00174-002ND
2019-11-121911-00174-004ND
2019-11-121911-00174-006ND
2019-11-121911-00174-009ND
2019-11-121911-00174-012ND
2019-11-121911-0074-005ND
2020-02-122002-00224-004ND
2020-02-122002-00224-009ND
2020-02-122002-00224-012ND
2020-05-112005-00172-010ND
2020-05-112005-00172-014ND
2020-08-102008-00136-008AND
2020-08-102008-00136-011AND
2020-10-202010-00131-001AND
2020-10-202010-00313-004AND
2020-10-202010-00313-007AND
2021-02-082102-00117-001AND
2021-02-082102-00117-004AND
2021-02-082102-00117-007BND
2021-05-102105-00143-010AND
2021-05-102105-00143-014AND
2021-08-112108-00215-004ND
2021-08-112108-00215-007ND
2022-01-112201-00155-001ND
2022-01-112201-00155-006ND
2022-01-112201-00155-003ND
2022-08-182208-00379-003ND
2022-11-142211-00276-001ND
2022-11-142211-00276-002ND
2022-11-142211-00276-003ND
2022-11-142211-00276-004ND
2023-02-132302-00274-003ND
2023-02-132302-00274-007ND
2023-08-152308-00319-006ND
2023-11-162311-00366-001ND
2023-11-162311-00366-002ND