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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

City of Loma Linda

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

MORE ABOUT THIS CONTAMINANT

 

25

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
2014ND40ND
20150.375 ppb21ND - 0.750 ppb
2016ND80ND
2017N/A00N/A
20180.111 ppb71ND - 0.780 ppb
20190.168 ppb41ND - 0.670 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-053761-024-1020ND
2014-03-043761-018-1430ND
2014-04-023761-032-1015ND
2014-04-023761-030-1440ND
2015-06-303761-032-1050ND
2015-06-303761-030-10250.750 ppb
2016-04-053761-014-0940ND
2016-04-053761-017-0645ND
2016-04-053761-030-0710ND
2016-04-053761-031-1020ND
2016-05-043761-014-0750ND
2016-05-043761-031-0720ND
2016-05-043761-017-0710ND
2016-06-093761-032-1030ND
2018-09-053761-031-1335ND
2018-09-053761-018-1405ND
2018-09-053761-017-0830ND
2018-09-053761-014-1315ND
2018-09-063761-030-09000.780 ppb
2018-09-063761-032-1230ND
2018-09-183761-024-1040ND
2019-05-023761-033-0730ND
2019-05-143761-014-1340ND
2019-12-193761-030-08450.670 ppb
2019-12-193761-032-0910ND