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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

City Of Industry Waterworks Systems

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

MORE ABOUT THIS CONTAMINANT

 

98

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.55 ppb17171.30 ppb - 1.90 ppb
20151.55 ppb16161.20 ppb - 2.90 ppb
20161.74 ppb17171.20 ppb - 2.40 ppb
20171.74 ppb17171.30 ppb - 2.50 ppb
20181.84 ppb17171.40 ppb - 2.40 ppb
20191.78 ppb1412ND - 3.60 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
2014-01-069588-007-10501.30 ppb
2014-02-049588-007-10451.40 ppb
2014-02-109588-007-09001.30 ppb
2014-03-049588-007-10551.40 ppb
2014-04-019588-007-10301.30 ppb
2014-05-059588-007-11051.60 ppb
2014-05-129588-007-11051.60 ppb
2014-05-309588-007-11451.60 ppb
2014-06-029588-007-08251.40 ppb
2014-07-029588-007-11401.60 ppb
2014-08-049588-007-11051.70 ppb
2014-08-139588-007-11401.60 ppb
2014-09-049588-007-11451.60 ppb
2014-10-019588-007-12151.80 ppb
2014-11-049588-007-10451.60 ppb
2014-11-129588-007-10151.90 ppb
2014-12-039588-007-09151.60 ppb
2015-01-059588-007-10501.20 ppb
2015-02-029588-007-10451.40 ppb
2015-02-109588-007-10001.40 ppb
2015-03-039588-007-08101.20 ppb
2015-04-089588-007-11151.40 ppb
2015-05-049588-007-10551.40 ppb
2015-05-129588-007-09551.40 ppb
2015-05-229588-007-09501.30 ppb
2015-06-029588-007-08101.40 ppb
2015-07-079588-007-10401.60 ppb
2015-08-039588-007-12201.60 ppb
2015-08-109588-007-11201.40 ppb
2015-09-019588-007-08201.50 ppb
2015-10-059588-007-11151.80 ppb
2015-12-189588-007-11152.90 ppb
2015-12-229588-007-10001.90 ppb
2016-01-049588-007-10501.80 ppb
2016-02-019588-007-10501.70 ppb
2016-02-109588-007-10501.40 ppb
2016-03-029588-007-10451.70 ppb
2016-03-159588-007-08201.20 ppb
2016-04-049588-007-10401.40 ppb
2016-05-039588-007-08001.60 ppb
2016-05-059588-007-11301.60 ppb
2016-05-239588-007-12051.70 ppb
2016-06-029588-007-11001.80 ppb
2016-07-069588-007-12252.20 ppb
2016-08-019588-007-11301.90 ppb
2016-08-179588-007-11051.70 ppb
2016-09-069588-007-11102.30 ppb
2016-10-039588-007-11252.40 ppb
2016-11-019588-007-13001.90 ppb
2016-12-059588-007-11301.30 ppb
2017-01-039588-007-11301.50 ppb
2017-02-069588-007-13151.50 ppb
2017-02-089588-007-10351.30 ppb
2017-03-079588-007-12301.40 ppb
2017-04-039588-007-12151.50 ppb
2017-05-019588-007-12551.80 ppb
2017-05-109588-007-10251.70 ppb
2017-05-229588-007-12451.40 ppb
2017-06-059588-007-14401.90 ppb
2017-07-069588-007-12201.50 ppb
2017-08-079588-007-13021.60 ppb
2017-08-169588-007-09001.80 ppb
2017-09-059588-007-12121.90 ppb
2017-10-029588-007-14062.00 ppb
2017-11-069588-007-09552.50 ppb
2017-11-089588-007-11282.30 ppb
2017-12-049588-007-11122.00 ppb
2018-01-029588-007-13021.80 ppb
2018-02-059588-007-12301.70 ppb
2018-02-069588-007-10501.90 ppb
2018-03-059588-007-13051.70 ppb
2018-04-029588-007-12501.70 ppb
2018-05-079588-007-11481.70 ppb
2018-05-099588-007-10401.60 ppb
2018-05-309588-007-13452.20 ppb
2018-06-049588-007-12451.80 ppb
2018-07-029588-007-11451.90 ppb
2018-08-069588-007-10452.10 ppb
2018-08-219588-007-11102.00 ppb
2018-09-049588-007-12001.80 ppb
2018-10-019588-007-10481.40 ppb
2018-11-059588-007-11501.80 ppb
2018-11-079588-007-09201.70 ppb
2018-12-039588-007-11102.40 ppb
2019-01-049588-007-10302.00 ppb
2019-02-049588-007-10502.20 ppb
2019-02-149588-007-09552.00 ppb
2019-03-049588-007-11321.60 ppb
2019-04-019588-007-12401.80 ppb
2019-06-179588-007-1340ND
2019-06-179588-007-1345ND
2019-07-029588-007-11201.80 ppb
2019-08-059588-007-10301.60 ppb
2019-08-129588-007-10151.80 ppb
2019-09-049588-007-13202.20 ppb
2019-10-079588-007-12052.80 ppb
2019-11-049588-007-11451.50 ppb
2019-11-149588-007-09253.60 ppb