Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1,2-Tetrachloroethane

Northgate Mobile Home Park 1

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016ND30ND
2017ND20ND
2018ND10ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-01Q1414182010ND
2014-05-01Q1414182001ND
2014-05-01Q1414182008ND
2015-06-18Q1522930001ND
2016-02-10Q1606030002ND
2016-09-07Q1636054004ND
2016-10-31Q1646398003ND
2017-02-09Q1705885002ND
2017-04-19Q1716169002ND
2018-01-31Q1803755003ND
2019-05-23Q1928322007ND