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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Soquel Creek Water District

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

MORE ABOUT THIS CONTAMINANT

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND130ND
2015ND40ND
2016ND30ND
2017ND140ND
2018N/A00N/A
2019ND10ND

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 1,1,2,2-tetrachloroethane 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.

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-221644-003-1040ND
2014-09-221644-004-0950ND
2014-09-221644-036-1340ND
2014-09-221644-005-1015ND
2014-09-231644-049-0935ND
2014-09-231644-002-1455ND
2014-09-231644-007-1305ND
2014-09-231644-022-1335ND
2014-09-231644-034-1440ND
2014-09-241644-037-1145ND
2014-09-241644-047-1335ND
2014-09-251644-012-1050ND
2014-10-061644-022-1455ND
2015-02-125806-054-0911ND
2015-04-075806-014-1505ND
2015-08-075806-054-1422ND
2015-11-245806-054-1358ND
2016-02-115806-054-1147ND
2016-05-175806-054-0935ND
2016-10-201644-014-0920ND
2017-08-229590-004-1050ND
2017-09-139590-036-1407ND
2017-09-139590-005-1234ND
2017-09-199590-049-1109ND
2017-10-039590-054-1340ND
2017-10-049590-037-1155ND
2017-10-049590-054-1155ND
2017-10-059590-047-1102ND
2017-10-059590-034-1207ND
2017-10-109590-022-1311ND
2017-10-129590-014-1335ND
2017-10-129590-012-0733ND
2017-10-249590-013-1106ND
2017-10-249590-007-1033ND
2019-12-305810-059-1137ND