Know Your Environment. Protect Your Health.

Carbon tetrachloride

East Pasadena Water Company

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.

 

182

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND690ND
2019ND660ND
2020ND390ND
2021ND40ND
2022ND20ND
2023ND20ND

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
2018-01-02CA1910020_006_006-201801020840ND
2018-01-08CA1910020_006_006-201801080840ND
2018-01-15CA1910020_006_006-201801150835ND
2018-01-15CA1910020_007_007-201801150830ND
2018-01-22CA1910020_006_006-201801220830ND
2018-01-29CA1910020_006_006-201801290820ND
2018-02-06CA1910020_006_006-201802060810ND
2018-02-12CA1910020_006_006-201802120840ND
2018-02-20CA1910020_007_007-201802200840ND
2018-02-20CA1910020_006_006-201802200840ND
2018-02-26CA1910020_006_006-201802260825ND
2018-03-05CA1910020_006_006-201803050825ND
2018-03-12CA1910020_006_006-201803120835ND
2018-03-19CA1910020_005_005-201803190940ND
2018-03-19CA1910020_012_012-201803190855ND
2018-03-19CA1910020_007_007-201803190830ND
2018-03-19CA1910020_006_006-201803190830ND
2018-03-26CA1910020_006_006-201803260835ND
2018-04-02CA1910020_006_006-201804020830ND
2018-04-09CA1910020_006_006-201804090810ND
2018-04-11CA1910020_012_012-201804111035ND
2018-04-16CA1910020_006_006-201804160825ND
2018-04-16CA1910020_007_007-201804160825ND
2018-04-23CA1910020_006_006-201804230821ND
2018-04-30CA1910020_006_006-201804300840ND
2018-05-07CA1910020_006_006-201805070820ND
2018-05-14CA1910020_006_006-201805140855ND
2018-05-22CA1910020_006_006-201805220820ND
2018-05-22CA1910020_007_007-201805220820ND
2018-05-29CA1910020_006_006-201805290930ND
2018-06-04CA1910020_006_006-201806040815ND
2018-06-11CA1910020_006_006-201806110835ND
2018-06-18CA1910020_006_006-201806180825ND
2018-06-18CA1910020_007_007-201806180815ND
2018-06-25CA1910020_006_006-201806250900ND
2018-07-02CA1910020_006_006-201807020830ND
2018-07-09CA1910020_006_006-201807091023ND
2018-07-12CA1910020_005_005-201807121035ND
2018-07-16CA1910020_006_006-201807160915ND
2018-07-23CA1910020_006_006-201807230830ND
2018-07-23CA1910020_007_007-201807230830ND
2018-07-30CA1910020_006_006-201807300825ND
2018-08-06CA1910020_006_006-201808060835ND
2018-08-13CA1910020_006_006-201808130905ND
2018-08-20CA1910020_006_006-201808200950ND
2018-08-20CA1910020_007_007-201808200945ND
2018-08-27CA1910020_006_006-201808270945ND
2018-09-04CA1910020_006_006-201809040845ND
2018-09-10CA1910020_006_006-201809100823ND
2018-09-17CA1910020_006_006-201809170800ND
2018-09-17CA1910020_007_007-201809170805ND
2018-09-24CA1910020_006_006-201809240910ND
2018-10-01CA1910020_006_006-201810010940ND
2018-10-08CA1910020_006_006-201810080915ND
2018-10-15CA1910020_006_006-201810150915ND
2018-10-22CA1910020_006_006-201810220830ND
2018-10-22CA1910020_007_007-201810220830ND
2018-10-29CA1910020_006_006-201810290915ND
2018-11-05CA1910020_006_006-201811050820ND
2018-11-13CA1910020_007_007-201811130847ND
2018-11-13CA1910020_006_006-201811130850ND
2018-11-19CA1910020_006_006-201811190810ND
2018-11-26CA1910020_006_006-201811260840ND
2018-12-03CA1910020_006_006-201812030840ND
2018-12-10CA1910020_006_006-201812100830ND
2018-12-17CA1910020_007_007-201812170735ND
2018-12-17CA1910020_006_006-201812170730ND
2018-12-26CA1910020_006_006-201812260810ND
2018-12-31CA1910020_006_006-201812310835ND
2019-01-07CA1910020_006_006-201901070850ND
2019-01-14CA1910020_006_006-201901141040ND
2019-01-22CA1910020_007_007-201901220800ND
2019-01-22CA1910020_006_006-201901220755ND
2019-01-28CA1910020_006_006-201901280819ND
2019-02-04CA1910020_006_006-201902040845ND
2019-02-11CA1910020_006_006-201902110830ND
2019-02-19CA1910020_006_006-201902190835ND
2019-02-19CA1910020_007_007-201902190840ND
2019-02-25CA1910020_006_006-201902250824ND
2019-03-04CA1910020_006_006-201903040825ND
2019-03-11CA1910020_006_006-201903110815ND
2019-03-11CA1910020_007_007-201903110813ND
2019-03-18CA1910020_006_006-201903180830ND
2019-03-25CA1910020_006_006-201903250815ND
2019-04-01CA1910020_006_006-201904010826ND
2019-04-03CA1910020_012_012-201904031000ND
2019-04-08CA1910020_006_006-201904080830ND
2019-04-15CA1910020_006_006-201904150917ND
2019-04-15CA1910020_007_007-201904150900ND
2019-04-22CA1910020_006_006-201904220838ND
2019-04-29CA1910020_006_006-201904290920ND
2019-05-06CA1910020_006_006-201905060840ND
2019-05-13CA1910020_006_006-201905130850ND
2019-05-13CA1910020_007_007-201905130847ND
2019-05-20CA1910020_006_006-201905200828ND
2019-05-28CA1910020_006_006-201905280847ND
2019-06-03CA1910020_006_006-201906030833ND
2019-06-10CA1910020_006_006-201906100850ND
2019-06-17CA1910020_006_006-201906170901ND
2019-06-17CA1910020_007_007-201906170900ND
2019-06-24CA1910020_006_006-201906240834ND
2019-07-01CA1910020_006_006-201907010828ND
2019-07-08CA1910020_006_006-201907080900ND
2019-07-15CA1910020_006_006-201907150832ND
2019-07-15CA1910020_007_007-201907150830ND
2019-07-22CA1910020_006_006-201907220853ND
2019-07-29CA1910020_006_006-201907290843ND
2019-07-29CA1910020_005_005-201907291225ND
2019-08-05CA1910020_006_006-201908050900ND
2019-08-12CA1910020_006_006-201908120825ND
2019-08-12CA1910020_007_007-201908120823ND
2019-08-19CA1910020_006_006-201908190820ND
2019-08-26CA1910020_006_006-201908260820ND
2019-09-03CA1910020_006_006-201909030840ND
2019-09-09CA1910020_006_006-201909090958ND
2019-09-16CA1910020_006_006-201909160830ND
2019-09-16CA1910020_007_007-201909160825ND
2019-09-23CA1910020_006_006-201909230825ND
2019-09-30CA1910020_006_006-201909300835ND
2019-10-07CA1910020_006_006-201910070842ND
2019-10-14CA1910020_007_007-201910140745ND
2019-10-14CA1910020_006_006-201910140750ND
2019-10-21CA1910020_006_006-201910210828ND
2019-10-28CA1910020_006_006-201910280900ND
2019-11-04CA1910020_006_006-201911040825ND
2019-11-12CA1910020_006_006-201911120705ND
2019-11-18CA1910020_006_006-201911180825ND
2019-11-18CA1910020_007_007-201911180827ND
2019-11-25CA1910020_006_006-201911250815ND
2019-12-02CA1910020_006_006-201912020825ND
2019-12-09CA1910020_006_006-201912090825ND
2019-12-16CA1910020_006_006-201912160828ND
2019-12-16CA1910020_007_007-201912160828ND
2019-12-23CA1910020_006_006-201912230710ND
2019-12-30CA1910020_006_006-201912300725ND
2020-01-06CA1910020_006_006-202001060920ND
2020-01-13CA1910020_007_007-202001130835ND
2020-01-13CA1910020_006_006-202001130835ND
2020-01-21CA1910020_006_006-202001210840ND
2020-01-27CA1910020_006_006-202001270815ND
2020-02-03CA1910020_006_006-202002030850ND
2020-02-10CA1910020_007_007-202002100830ND
2020-02-10CA1910020_006_006-202002100837ND
2020-02-18CA1910020_006_006-202002180850ND
2020-02-24CA1910020_006_006-202002240830ND
2020-03-02CA1910020_006_006-202003020905ND
2020-03-09CA1910020_006_006-202003090840ND
2020-03-09CA1910020_007_007-202003090840ND
2020-03-16CA1910020_006_006-202003160825ND
2020-03-23CA1910020_006_006-202003230920ND
2020-03-30CA1910020_006_006-202003301045ND
2020-04-02CA1910020_012_012-202004021030ND
2020-04-06CA1910020_006_006-202004061015ND
2020-04-13CA1910020_006_006-202004130830ND
2020-04-20CA1910020_006_006-202004201040ND
2020-04-27CA1910020_006_006-202004270950ND
2020-05-04CA1910020_006_006-202005040825ND
2020-05-11CA1910020_007_007-202005110906ND
2020-05-11CA1910020_006_006-202005110856ND
2020-05-18CA1910020_006_006-202005180855ND
2020-05-26CA1910020_006_006-202005260818ND
2020-06-02CA1910020_006_006-202006020850ND
2020-06-08CA1910020_007_007-202006080848ND
2020-06-08CA1910020_006_006-202006080848ND
2020-06-15CA1910020_006_006-202006150824ND
2020-06-22CA1910020_006_006-202006220840ND
2020-06-29CA1910020_006_006-202006290819ND
2020-07-06CA1910020_006_006-202007060910ND
2020-07-09CA1910020_005_005-202007091040ND
2020-07-13CA1910020_006_006-202007130810ND
2020-07-13CA1910020_007_007-202007130815ND
2020-07-20CA1910020_006_006-202007200923ND
2020-07-27CA1910020_006_006-202007270945ND
2020-08-03CA1910020_006_006-202008030745ND
2021-03-08CA1910020_012_012-202103080845ND
2021-03-08CA1910020_005_005-202103080910ND
2021-04-12CA1910020_012_012-202104121010ND
2021-07-13CA1910020_005_005-202107131115ND
2022-04-20CA1910020_012_012-202204201155ND
2022-08-09CA1910020_005_005-202208091125ND
2023-05-10CA1910020_012_012-202305101055ND
2023-08-16CA1910020_005_005-202308161040ND