1,1-Dichloroethylene
Oro Valley Water Utility
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 16 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 0 | ND |
2019 | ND | 15 | 0 | ND |
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 |
---|---|---|
2014-02-28 | 14N0718-01(4V) | ND |
2016-01-04 | 160A0081-01(4V) | ND |
2016-01-05 | 16A0114-01(4V) | ND |
2016-01-12 | 16A0384-01(4V) | ND |
2016-01-13 | 16A04612-01(4V) | ND |
2016-01-14 | 16A0492-01(4V) | ND |
2016-01-14 | 16A0487-01(4V) | ND |
2016-01-19 | 16A0574-01(4V) | ND |
2016-01-19 | 16A0572-01(4V) | ND |
2016-01-19 | 16A0572-03(4V) | ND |
2016-01-20 | 16A0601-01(4V) | ND |
2016-01-20 | 16A0600-01(4V) | ND |
2016-01-21 | 16A0637-01(4V) | ND |
2016-01-21 | 16A0636-01(4V) | ND |
2016-01-25 | 16A0685-01(4V) | ND |
2016-01-26 | 16A0714-01(4V) | ND |
2016-02-01 | 16B0032-01(4V) | ND |
2018-02-13 | 18B0341-02(4V) | ND |
2018-02-13 | 18B0341-01(4V) | ND |
2019-01-14 | 19A0328-03(4V) | ND |
2019-01-14 | 19A0328-01(4V) | ND |
2019-01-15 | 19A0362-01(4V) | ND |
2019-01-15 | 19A0362-03(4V) | ND |
2019-01-15 | 19A0367-01(4V) | ND |
2019-01-15 | 19A0367-03(4V) | ND |
2019-01-16 | 19A0408-03(4V) | ND |
2019-01-16 | 19A0408-01(4V) | ND |
2019-01-16 | 19A0407-03(4V) | ND |
2019-01-16 | 19A0407-01(4V) | ND |
2019-01-17 | 19A0454-01(4V) | ND |
2019-01-17 | 19A0455-05(4V) | ND |
2019-01-17 | 19A0455-03(4V) | ND |
2019-01-17 | 19A0455-01(4V) | ND |
2019-01-17 | 19A0454-03(4V) | ND |