cis-1,2-Dichloroethylene
Brookwood Comm. Water System
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
78
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | 0.440 ppb | 5 | 4 | ND - 0.590 ppb |
| 2016 | 0.147 ppb | 24 | 5 | ND - 0.750 ppb |
| 2017 | 0.595 ppb | 12 | 5 | ND - 2.80 ppb |
| 2018 | 0.575 ppb | 10 | 5 | ND - 1.50 ppb |
| 2019 | 0.245 ppb | 22 | 4 | ND - 1.50 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-06 | C315500-01 | ND |
| 2014-05-15 | C402208-01 | ND |
| 2014-09-15 | C407372-01 | ND |
| 2014-09-17 | C407361-01 | ND |
| 2014-10-21 | C411560-01 | ND |
| 2015-01-06 | 0.500 ppb | |
| 2015-04-28 | 0.590 ppb | |
| 2015-09-14 | 0.530 ppb | |
| 2015-09-17 | ND | |
| 2015-12-02 | 0.580 ppb | |
| 2016-03-02 | C515388-01 | 0.690 ppb |
| 2016-05-09 | CZ02648-01 | 0.750 ppb |
| 2016-07-27 | CZ07727-01 | ND |
| 2016-07-28 | CZ07702-03 | ND |
| 2016-07-28 | CZ07708-01 | ND |
| 2016-07-28 | CZ07710-01 | ND |
| 2016-07-28 | CZ07715-01 | ND |
| 2016-07-28 | CZ07722-01 | ND |
| 2016-07-28 | CZ07722-03 | ND |
| 2016-08-03 | CZ07723-01 | ND |
| 2016-08-03 | CZ07723-03 | ND |
| 2016-08-03 | CZ07719-01 | ND |
| 2016-08-03 | CZ07729-01 | 0.710 ppb |
| 2016-08-03 | CZ07717-01 | ND |
| 2016-08-03 | CZ07713-01 | ND |
| 2016-08-03 | CZ07697-01 | ND |
| 2016-08-04 | CZ07728-01 | ND |
| 2016-08-04 | CZ11584-01 | ND |
| 2016-08-04 | CZ07705-01 | ND |
| 2016-08-04 | CZ07699-01 | ND |
| 2016-08-04 | CZ11580-01 | 0.640 ppb |
| 2016-10-04 | CZ12565-01 | ND |
| 2016-10-06 | CZ13602-01 | ND |
| 2016-10-17 | CZ15371-01 | 0.740 ppb |
| 2017-01-27 | CZ17252-03 | ND |
| 2017-01-27 | CZ17252-01 | ND |
| 2017-01-27 | CZ17249-01 | ND |
| 2017-06-12 | CA02299-03 | ND |
| 2017-06-12 | CA02298-01 | ND |
| 2017-06-27 | CA09871-01 | 2.80 ppb |
| 2017-08-17 | CA07518-01 | 1.20 ppb |
| 2017-08-18 | CA07505-01 | ND |
| 2017-08-23 | CA12958-01 | 0.940 ppb |
| 2017-08-24 | CA07516-01 | ND |
| 2017-11-29 | CA12721-01 | 1.10 ppb |
| 2017-11-29 | CA12721-03 | 1.10 ppb |
| 2018-01-24 | CA17855-03 | 1.30 ppb |
| 2018-01-24 | CA17855-01 | 1.50 ppb |
| 2018-05-15 | CB02573-01 | 0.890 ppb |
| 2018-06-19 | CB09462-01 | ND |
| 2018-07-18 | CB07853-01 | ND |
| 2018-07-25 | CB07855-01 | 1.10 ppb |
| 2018-08-21 | CB07854-01 | ND |
| 2018-08-23 | CB12820-01RE1 | ND |
| 2018-10-25 | CB13090-03 | ND |
| 2018-10-25 | CB13090-01RE1 | 0.960 ppb |
| 2019-01-29 | CB17912-03 | ND |
| 2019-01-29 | CB17912-01 | 1.20 ppb |
| 2019-05-08 | CC02980-01 | 1.40 ppb |
| 2019-08-26 | CC09191-03 | ND |
| 2019-08-26 | CC09191-01 | ND |
| 2019-08-27 | CC09167-01 | ND |
| 2019-08-27 | CC09196-01 | 1.30 ppb |
| 2019-08-27 | CC09183-01 | ND |
| 2019-08-28 | CC09195-01 | ND |
| 2019-08-28 | CC09194-01 | ND |
| 2019-08-28 | CC09190-03 | ND |
| 2019-08-28 | CC09190-01 | ND |
| 2019-08-28 | CC09178-01 | ND |
| 2019-08-28 | CC09171-03 | ND |
| 2019-09-03 | CC09187-01 | ND |
| 2019-09-04 | CC09176-01 | ND |
| 2019-09-04 | CC09168-01 | ND |
| 2019-09-04 | CC14874-01 | ND |
| 2019-09-04 | CC09185-01 | ND |
| 2019-09-04 | CC09181-01 | ND |
| 2019-09-04 | CC09173-01 | ND |
| 2019-10-30 | CC14192-01 | 1.50 ppb |