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EWG's Tap Water Database — 2021 UPDATE

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Carbon tetrachloride

California American Water Company - Lincoln Oaks

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.

MORE ABOUT THIS CONTAMINANT

 

334

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND1090ND
2015ND860ND
2016ND230ND
2017ND170ND
2018ND500ND
2019ND490ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-01-141225-016-0915ND
2014-01-141225-032-0920ND
2014-01-141225-033-0925ND
2014-01-151225-027-0910ND
2014-01-151225-030-0924ND
2014-01-151225-031-0933ND
2014-02-181225-001-1040ND
2014-02-181225-016-1150ND
2014-02-181225-019-0900ND
2014-02-181225-023-1000ND
2014-02-181225-027-1205ND
2014-02-181225-028-1130ND
2014-02-181225-030-1230ND
2014-02-181225-031-1245ND
2014-02-181225-032-1200ND
2014-02-181225-033-1210ND
2014-02-191225-009-1315ND
2014-02-201225-004-1100ND
2014-02-271225-006-1310ND
2014-03-121225-027-1228ND
2014-03-131225-016-1000ND
2014-03-131225-032-1005ND
2014-03-131225-033-1010ND
2014-04-081225-016-0940ND
2014-04-081225-027-0905ND
2014-04-081225-030-0917ND
2014-04-081225-031-0924ND
2014-04-081225-032-0945ND
2014-04-081225-033-0950ND
2014-05-061225-004-1138ND
2014-05-061225-009-1228ND
2014-05-061225-016-1010ND
2014-05-061225-019-0905ND
2014-05-061225-023-1230ND
2014-05-061225-032-1025ND
2014-05-061225-033-1040ND
2014-05-071225-001-1030ND
2014-05-071225-006-1010ND
2014-05-071225-027-0919ND
2014-05-071225-028-1125ND
2014-05-071225-030-0934ND
2014-05-071225-031-0942ND
2014-06-241225-016-1115ND
2014-06-241225-027-0923ND
2014-06-241225-030-0935ND
2014-06-241225-031-0942ND
2014-06-241225-032-1125ND
2014-06-241225-033-1135ND
2014-07-015810-022-0920ND
2014-07-229590-027-0920ND
2014-07-229590-030-0934ND
2014-07-229590-031-0942ND
2014-07-291225-016-1010ND
2014-07-291225-032-1015ND
2014-07-291225-033-1020ND
2014-08-111225-001-1037ND
2014-08-111225-002-1000ND
2014-08-111225-004-1325ND
2014-08-111225-005-1015ND
2014-08-111225-006-1020ND
2014-08-111225-009-0945ND
2014-08-111225-010-1130ND
2014-08-111225-013-1215ND
2014-08-111225-014-1230ND
2014-08-111225-019-1158ND
2014-08-111225-023-1100ND
2014-08-111225-026-0910ND
2014-08-111225-028-1113ND
2014-08-121225-003-1245ND
2014-08-121225-012-1340ND
2014-08-121225-015-0950ND
2014-08-121225-027-0855ND
2014-08-121225-030-0909ND
2014-08-121225-031-0917ND
2014-08-131225-008-1010ND
2014-08-211225-016-1115ND
2014-08-211225-032-1125ND
2014-08-211225-033-1135ND
2014-09-031225-027-0900ND
2014-09-031225-030-0914ND
2014-09-031225-031-0921ND
2014-09-101225-016-1105ND
2014-09-101225-032-1115ND
2014-09-101225-033-1125ND
2014-10-161225-016-1212ND
2014-10-161225-032-1216ND
2014-10-161225-033-1220ND
2014-10-281225-027-0935ND
2014-10-281225-030-0940ND
2014-10-281225-031-0945ND
2014-11-101225-025-1110ND
2014-11-181225-016-1015ND
2014-11-181225-027-1125ND
2014-11-181225-030-1020ND
2014-11-181225-031-1135ND
2014-11-181225-032-1130ND
2014-11-181225-033-1025ND
2014-12-031225-001-1100ND
2014-12-031225-016-1120ND
2014-12-031225-019-0920ND
2014-12-031225-023-1020ND
2014-12-031225-027-1000ND
2014-12-031225-030-1020ND
2014-12-031225-031-1030ND
2014-12-031225-032-1125ND
2014-12-031225-033-1130ND
2014-12-041225-004-1005ND
2014-12-041225-006-1125ND
2014-12-041225-009-1040ND
2015-01-081225-016-1100ND
2015-01-081225-027-1020ND
2015-01-081225-030-1025ND
2015-01-081225-031-1030ND
2015-01-081225-032-1110ND
2015-01-081225-033-1120ND
2015-01-271225-028-0925ND
2015-02-021225-019-0922ND
2015-02-021225-027-1215ND
2015-02-021225-030-1225ND
2015-02-021225-031-1240ND
2015-02-031225-004-0807ND
2015-02-041225-009-1020ND
2015-02-101225-028-1125ND
2015-02-121225-006-0840ND
2015-02-171225-001-0850ND
2015-02-171225-023-1030ND
2015-02-251225-016-0915ND
2015-02-251225-032-0920ND
2015-02-251225-033-0925ND
2015-02-261225-025-0917ND
2015-03-181225-027-1010ND
2015-03-181225-030-1020ND
2015-03-181225-031-1030ND
2015-03-241225-016-1025ND
2015-03-241225-032-1030ND
2015-03-241225-033-1035ND
2015-04-091225-027-1040ND
2015-04-091225-030-1048ND
2015-04-091225-031-1100ND
2015-04-221225-016-0852ND
2015-04-221225-032-0852ND
2015-04-221225-033-0852ND
2015-05-051225-027-1200ND
2015-05-051225-030-1220ND
2015-05-051225-031-1235ND
2015-05-061225-019-1015ND
2015-05-061225-028-1145ND
2015-05-121225-001-0825ND
2015-05-121225-007-1010ND
2015-05-141225-025-1150ND
2015-05-261225-004-0835ND
2015-05-261225-006-1210ND
2015-05-261225-009-0917ND
2015-05-261225-023-1020ND
2015-05-271225-021-1143ND
2015-05-281225-016-0835ND
2015-05-281225-032-0835ND
2015-05-281225-033-0835ND
2015-06-181225-016-1035ND
2015-06-181225-024-1200ND
2015-06-181225-032-1035ND
2015-06-181225-033-1035ND
2015-06-301225-024-1120ND
2015-07-281225-016-0938ND
2015-07-281225-032-0938ND
2015-08-101225-004-0915ND
2015-08-101225-005-1100ND
2015-08-101225-019-1220ND
2015-08-101225-026-0940ND
2015-08-111225-009-1055ND
2015-08-111225-014-0855ND
2015-08-111225-025-0820ND
2015-08-111225-028-1025ND
2015-08-131225-001-1055ND
2015-08-131225-006-1045ND
2015-08-131225-015-0840ND
2015-08-181225-002-1005ND
2015-08-181225-013-1040ND
2015-08-191225-007-1230ND
2015-08-191225-010-0940ND
2015-08-191225-016-0945ND
2015-08-191225-023-1140ND
2015-08-241225-008-1305ND
2015-08-251225-003-1155ND
2015-09-101225-012-0835ND
2015-09-241225-016-1100ND
2015-11-111225-001-1255ND
2015-11-121225-004-0855ND
2015-11-121225-006-1050ND
2015-11-121225-009-0915ND
2015-11-121225-019-1230ND
2015-11-121225-023-0955ND
2015-11-161225-025-1210ND
2015-11-171225-016-1142ND
2015-12-071225-016-0950ND
2016-02-031225-028-1450ND
2016-02-091225-004-0845ND
2016-02-091225-009-0940ND
2016-02-091225-023-1100ND
2016-02-101225-006-1045ND
2016-02-101225-019-1055ND
2016-02-101225-025-0850ND
2016-02-251225-016-0945ND
2016-04-211225-016-0940ND
2016-05-091225-004-0950ND
2016-05-091225-006-1040ND
2016-05-091225-019-1111ND
2016-05-091225-024-1110ND
2016-05-091225-025-1220ND
2016-05-091225-028-1013ND
2016-05-111225-009-0945ND
2016-05-111225-023-0900ND
2016-05-261225-016-1030ND
2016-05-261225-021-0825ND
2016-10-251225-001-1305ND
2016-11-011225-004-0804ND
2016-11-011225-023-0945ND
2016-11-141225-028-1422ND
2017-02-081225-004-1015ND
2017-02-091225-023-0739ND
2017-02-151225-028-1420ND
2017-04-051225-022-1205ND
2017-05-081225-023-0757ND
2017-05-081225-025-1037ND
2017-05-081225-028-1400ND
2017-05-091225-004-0935ND
2017-08-031225-025-0805ND
2017-08-101225-004-1155ND
2017-08-101225-023-1240ND
2017-08-101225-028-0915ND
2017-08-221225-010-1210ND
2017-11-131225-004-0945ND
2017-11-131225-023-1035ND
2017-11-131225-028-1110ND
2017-11-201225-025-1100ND
2018-01-241225-003-0940ND
2018-02-131225-004-1257ND
2018-02-131233-016-0955ND
2018-02-131225-023-1352ND
2018-02-191225-025-1030ND
2018-02-191225-028-0950ND
2018-03-121225-016-0830ND
2018-03-121225-032-0830ND
2018-03-121225-033-0830ND
2018-04-031225-016-1050ND
2018-04-031225-032-1050ND
2018-04-031225-033-1050ND
2018-05-011225-004-1215ND
2018-05-011225-016-0835ND
2018-05-011225-032-0835ND
2018-05-011225-033-0835ND
2018-05-021225-023-1115ND
2018-05-021225-025-0930ND
2018-05-031225-028-1100ND
2018-06-181225-016-0955ND
2018-06-181225-032-0955ND
2018-06-181225-033-0955ND
2018-07-171225-016-0842ND
2018-07-171225-032-0842ND
2018-07-171225-033-0842ND
2018-08-071225-004-1310ND
2018-08-071225-023-1055ND
2018-08-071225-024-0952ND
2018-08-131225-016-1200ND
2018-08-131225-025-1100ND
2018-08-131225-028-1220ND
2018-08-131225-032-1200ND
2018-08-131225-033-1200ND
2018-09-191225-016-1115ND
2018-09-191225-032-1115ND
2018-09-191225-033-1115ND
2018-10-171225-016-0825ND
2018-10-171225-032-0830ND
2018-10-171225-033-0835ND
2018-11-051225-003-1310ND
2018-11-051225-004-0915ND
2018-11-061225-016-0931ND
2018-11-061225-025-0850ND
2018-11-061225-028-1005ND
2018-11-061225-032-0936ND
2018-11-061225-033-0941ND
2018-11-071225-023-1050ND
2018-12-111225-016-1400ND
2018-12-111225-032-1410ND
2018-12-111225-033-1415ND
2019-01-081225-016-1010ND
2019-01-081225-032-1215ND
2019-01-081225-033-1020ND
2019-02-051225-016-1240ND
2019-02-051225-023-1355ND
2019-02-051225-025-1306ND
2019-02-051225-028-1350ND
2019-02-051225-032-1250ND
2019-02-051225-033-1255ND
2019-03-121225-016-1220ND
2019-03-121225-032-1230ND
2019-03-121225-033-1235ND
2019-04-091225-016-1325ND
2019-04-091225-032-1335ND
2019-04-091225-033-1340ND
2019-05-071225-016-1530ND
2019-05-071225-023-1410ND
2019-05-071225-032-1540ND
2019-05-071225-033-1545ND
2019-05-091225-025-1110ND
2019-05-091225-028-1240ND
2019-06-181225-016-1350ND
2019-06-181225-032-1400ND
2019-06-181225-033-1405ND
2019-07-091225-016-1350ND
2019-07-091225-032-1400ND
2019-07-091225-033-1405ND
2019-08-061225-016-1600ND
2019-08-061225-024-1450ND
2019-08-061225-032-1610ND
2019-08-061225-033-1615ND
2019-08-071225-023-1555ND
2019-08-071225-028-1135ND
2019-08-081225-003-1200ND
2019-09-101225-016-1200ND
2019-09-101225-032-1210ND
2019-09-101225-033-1215ND
2019-10-171225-016-1235ND
2019-10-171225-032-1240ND
2019-10-171225-033-1245ND
2019-11-181225-016-1115ND
2019-11-181225-032-1420ND
2019-11-181225-033-1125ND
2019-11-201225-022-1145ND
2019-11-201225-028-1305ND
2019-11-211225-023-1550ND
2019-12-181225-016-1240ND
2019-12-181225-032-1245ND
2019-12-181225-033-1250ND