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1,1-Dichloroethylene

Santa Clara Valley Water District

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

MORE ABOUT THIS CONTAMINANT

 

197

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND390ND
2019ND410ND
2020ND360ND
2021ND320ND
2022ND330ND
2023ND160ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-20CA4310027_007_007-201802200845ND
2018-02-20CA4310027_009_009-201802201120ND
2018-02-20CA4310027_002_002-201802201146ND
2018-02-20CA4310027_005_005-201802200958ND
2018-02-20CA4310027_001_001-201802200900ND
2018-02-20CA4310027_004_004-201802201030ND
2018-02-20CA4310027_006_006-201802201025ND
2018-03-27CA4310027_011_011-201803270833ND
2018-05-14CA4310027_022_022-201805140926ND
2018-05-14CA4310027_024_024-201805141015ND
2018-05-14CA4310027_023_023-201805140944ND
2018-05-15CA4310027_005_005-201805150848ND
2018-05-15CA4310027_009_009-201805151124ND
2018-05-15CA4310027_011_011-201805151713ND
2018-05-15CA4310027_001_001-201805150858ND
2018-05-15CA4310027_002_002-201805151115ND
2018-05-15CA4310027_007_007-201805151250ND
2018-05-15CA4310027_006_006-201805150908ND
2018-05-15CA4310027_004_004-201805151027ND
2018-06-27CA4310027_025_025-201806271025ND
2018-08-21CA4310027_002_002-201808210940ND
2018-08-21CA4310027_006_006-201808211336ND
2018-08-21CA4310027_009_009-201808211200ND
2018-08-21CA4310027_005_005-201808211304ND
2018-08-21CA4310027_007_007-201808211125ND
2018-08-21CA4310027_011_011-201808210935ND
2018-08-21CA4310027_001_001-201808210915ND
2018-08-21CA4310027_004_004-201808211100ND
2018-08-22CA4310027_022_022-201808221055ND
2018-08-22CA4310027_024_024-201808221017ND
2018-08-22CA4310027_023_023-201808221448ND
2018-11-06CA4310027_006_006-201811061042ND
2018-11-06CA4310027_007_007-201811061033ND
2018-11-06CA4310027_011_011-201811060920ND
2018-11-06CA4310027_009_009-201811061215ND
2018-11-06CA4310027_001_001-201811060930ND
2018-11-06CA4310027_004_004-201811061115ND
2018-11-06CA4310027_005_005-201811061025ND
2018-11-06CA4310027_002_002-201811061035ND
2019-02-19CA4310027_006_006-201902190850ND
2019-02-19CA4310027_009_009-201902191140ND
2019-02-19CA4310027_002_002-201902191145ND
2019-02-19CA4310027_004_004-201902191046ND
2019-02-19CA4310027_011_011-201902190728ND
2019-02-19CA4310027_001_001-201902190919ND
2019-02-19CA4310027_005_005-201902190835ND
2019-02-19CA4310027_007_007-201902190950ND
2019-02-21CA4310027_025_025-201902211015ND
2019-05-21CA4310027_004_004-201905211126ND
2019-05-21CA4310027_006_006-201905211106ND
2019-05-21CA4310027_007_007-201905211049ND
2019-05-21CA4310027_002_002-201905211040ND
2019-05-21CA4310027_005_005-201905211030ND
2019-05-21CA4310027_001_001-201905210947ND
2019-05-21CA4310027_009_009-201905211240ND
2019-05-21CA4310027_011_011-201905210851ND
2019-05-22CA4310027_023_023-201905221032ND
2019-05-22CA4310027_022_022-201905221228ND
2019-05-22CA4310027_024_024-201905221140ND
2019-08-08CA4310027_025_025-201908081200ND
2019-08-20CA4310027_001_001-201908200920ND
2019-08-20CA4310027_007_007-201908200955ND
2019-08-20CA4310027_004_004-201908201100ND
2019-08-20CA4310027_005_005-201908200825ND
2019-08-20CA4310027_011_011-201908200654ND
2019-08-20CA4310027_002_002-201908201040ND
2019-08-20CA4310027_006_006-201908200844ND
2019-08-27CA4310027_009_009-201908270930ND
2019-09-03CA4310027_004_004-201909030810ND
2019-11-19CA4310027_007_007-201911191207ND
2019-11-19CA4310027_004_004-201911191105ND
2019-11-19CA4310027_006_006-201911191101ND
2019-11-19CA4310027_009_009-201911191150ND
2019-11-19CA4310027_001_001-201911190930ND
2019-11-19CA4310027_002_002-201911190840ND
2019-11-19CA4310027_005_005-201911191045ND
2019-11-19CA4310027_011_011-201911190926ND
2019-11-20CA4310027_024_024-201911201036ND
2019-11-20CA4310027_022_022-201911201115ND
2019-11-20CA4310027_023_023-201911201000ND
2020-02-11CA4310027_002_002-202002111051ND
2020-02-11CA4310027_009_009-202002111150ND
2020-02-11CA4310027_007_007-202002111033ND
2020-02-11CA4310027_005_005-202002110859ND
2020-02-11CA4310027_006_006-202002110918ND
2020-02-11CA4310027_011_011-202002110736ND
2020-02-11CA4310027_001_001-202002110925ND
2020-02-11CA4310027_004_004-202002111100ND
2020-05-11CA4310027_011_011-202005110712ND
2020-05-11CA4310027_005_005-202005110816ND
2020-05-11CA4310027_006_006-202005110838ND
2020-05-11CA4310027_007_007-202005110940ND
2020-05-12CA4310027_022_022-202005121215ND
2020-05-12CA4310027_009_009-202005120811ND
2020-05-12CA4310027_024_024-202005121129ND
2020-05-12CA4310027_002_002-202005120725ND
2020-05-12CA4310027_023_023-202005121041ND
2020-05-13CA4310027_025_025-202005131225ND
2020-05-13CA4310027_001_001-202005131557ND
2020-05-13CA4310027_004_004-202005131446ND
2020-08-11CA4310027_001_001-202008110901ND
2020-08-11CA4310027_009_009-202008111211ND
2020-08-11CA4310027_004_004-202008111120ND
2020-08-11CA4310027_006_006-202008111049ND
2020-08-11CA4310027_002_002-202008111136ND
2020-08-11CA4310027_005_005-202008111037ND
2020-08-11CA4310027_007_007-202008111158ND
2020-08-11CA4310027_011_011-202008110930ND
2020-11-09CA4310027_001_001-202011091020ND
2020-11-09CA4310027_002_002-202011091018ND
2020-11-09CA4310027_005_005-202011090949ND
2020-11-09CA4310027_006_006-202011091008ND
2020-11-09CA4310027_007_007-202011091224ND
2020-11-09CA4310027_011_011-202011090736ND
2020-11-09CA4310027_009_009-202011090945ND
2020-11-09CA4310027_004_004-202011091204ND
2021-02-09CA4310027_005_005-202102090806ND
2021-02-09CA4310027_004_004-202102091140ND
2021-02-09CA4310027_011_011-202102090708ND
2021-02-09CA4310027_001_001-202102091000ND
2021-02-09CA4310027_006_006-202102090824ND
2021-02-09CA4310027_007_007-202102090917ND
2021-02-09CA4310027_009_009-202102091148ND
2021-05-11CA4310027_001_001-202105110945ND
2021-05-11CA4310027_006_006-202105110803ND
2021-05-11CA4310027_005_005-202105110747ND
2021-05-11CA4310027_009_009-202105110902ND
2021-05-11CA4310027_004_004-202105111222ND
2021-05-11CA4310027_007_007-202105110856ND
2021-05-11CA4310027_011_011-202105110644ND
2021-08-10CA4310027_004_004-202108101158ND
2021-08-10CA4310027_001_001-202108100940ND
2021-08-10CA4310027_005_005-202108101038ND
2021-08-10CA4310027_009_009-202108100844ND
2021-08-10CA4310027_011_011-202108100817ND
2021-08-10CA4310027_006_006-202108101105ND
2021-08-10CA4310027_007_007-202108100931ND
2021-11-08CA4310027_025_025-202111081055ND
2021-11-09CA4310027_004_004-202111091150ND
2021-11-09CA4310027_022_022-202111091036ND
2021-11-09CA4310027_006_006-202111091040ND
2021-11-09CA4310027_001_001-202111091030ND
2021-11-09CA4310027_007_007-202111091150ND
2021-11-09CA4310027_009_009-202111090856ND
2021-11-09CA4310027_011_011-202111090820ND
2021-11-09CA4310027_005_005-202111090950ND
2021-11-09CA4310027_023_023-202111091000ND
2021-11-09CA4310027_024_024-202111091106ND
2022-02-22CA4310027_004_004-202202221141ND
2022-02-22CA4310027_009_009-202202221110ND
2022-02-22CA4310027_011_011-202202220809ND
2022-02-22CA4310027_001_001-202202221000ND
2022-02-22CA4310027_006_006-202202220947ND
2022-02-22CA4310027_005_005-202202220935ND
2022-02-22CA4310027_007_007-202202221107ND
2022-05-10CA4310027_011_011-202205100713ND
2022-05-10CA4310027_005_005-202205100847ND
2022-05-10CA4310027_009_009-202205100909ND
2022-05-10CA4310027_001_001-202205100905ND
2022-05-10CA4310027_006_006-202205100827ND
2022-05-10CA4310027_007_007-202205100954ND
2022-05-10CA4310027_004_004-202205101027ND
2022-08-09CA4310027_004_004-202208091108ND
2022-08-09CA4310027_011_011-202208091117ND
2022-08-09CA4310027_005_005-202208090914ND
2022-08-09CA4310027_009_009-202208090856ND
2022-08-09CA4310027_007_007-202208090936ND
2022-08-09CA4310027_001_001-202208090930ND
2022-08-09CA4310027_006_006-202208091016ND
2022-08-10CA4310027_024_024-202208101241ND
2022-08-10CA4310027_022_022-202208101125ND
2022-08-10CA4310027_023_023-202208101009ND
2022-08-10CA4310027_025_025-202208101055ND
2022-11-01CA4310027_006_006-202211011130ND
2022-11-01CA4310027_001_001-202211011033ND
2022-11-01CA4310027_004_004-202211010854ND
2022-11-01CA4310027_005_005-202211011108ND
2022-11-01CA4310027_011_011-202211010915ND
2022-11-01CA4310027_007_007-202211011125ND
2022-11-01CA4310027_009_009-202211011003ND
2022-11-14CA4310027_025_025-202211141000ND
2023-02-23CA4310027_024_024-202302231053ND
2023-02-23CA4310027_023_023-202302231025ND
2023-05-10CA4310027_023_023-202305101019ND
2023-05-10CA4310027_024_024-202305101057ND
2023-08-08CA4310027_009_009-202308081341ND
2023-08-08CA4310027_011_011-202308080843ND
2023-08-08CA4310027_004_004-202308081041ND
2023-08-08CA4310027_006_006-202308081057ND
2023-08-08CA4310027_001_001-202308080856ND
2023-08-08CA4310027_007_007-202308081227ND
2023-08-08CA4310027_005_005-202308081050ND
2023-08-09CA4310027_022_022-202308091119ND
2023-08-09CA4310027_024_024-202308091047ND
2023-08-09CA4310027_023_023-202308091026ND
2023-11-15CA4310027_023_023-202311151106ND
2023-11-15CA4310027_024_024-202311151019ND