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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

City of Safford

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

MORE ABOUT THIS CONTAMINANT

 

24

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
2014ND50ND
2015N/A00N/A
2016N/A00N/A
2017ND90ND
2018ND80ND
2019ND20ND

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
2014-05-20550-24920-9VND
2014-05-20550-24920-7VND
2014-05-20550-24920-5VND
2014-05-20550-24920-3VND
2014-05-20550-24920-1VND
2017-03-13550-79203-1VND
2017-05-08550-82534-1VOCND
2017-08-30550-89048-1VOCND
2017-09-28550-90609-1VOCND
2017-09-28550-90605-1VOCND
2017-10-09550-91192-1VOCND
2017-10-09550-91194-1VOCND
2017-10-09550-91187-1VOCND
2017-11-13550-93144-1VOCND
2018-01-18550-96585-3ND
2018-02-21550-98383-1VOCND
2018-05-02550-102282-1 VOCND
2018-05-16550-103092-1 VOCND
2018-07-25550-106735-1 VOCND
2018-08-01550-107260-1 VOCND
2018-10-24550-112337-1 VOCND
2018-10-30550-112590-1ND
2019-01-07550-115930-1 VOCND
2019-01-17550-116613-1 VOCND