trans-1,2-Dichloroethylene

Village of Georgetown Water Supply

NOTE: Village of Georgetown Water Supply purchases water from Red Hill Waterworks Inc. which is required to test for trans-1,2-dichloroethylene. Sample information shown below was taken by Red Hill Waterworks Inc..

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	N/A	0	N/A
2015	N/A	0	N/A
2016	ND	12	ND
2017	ND	2	ND
2018	N/A	0	N/A
2019	ND	6	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for trans-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
2016-02-04	35228303005	ND
2016-02-04	35228303004	ND
2016-02-04	35228303003	ND
2016-02-04	35228303004	ND
2016-02-04	35228303005	ND
2016-02-04	35228303003	ND
2016-12-08	35282709004	ND
2016-12-08	35282709005	ND
2016-12-08	35282709006	ND
2016-12-08	35282709006	ND
2016-12-08	35282709005	ND
2016-12-08	35282709004	ND
2017-10-17	35342600001	ND
2017-10-17	35342600001	ND
2019-09-13	35498092001	ND
2019-09-13	35498092003	ND
2019-09-13	35498092002	ND
2019-09-13	35498092001	ND
2019-09-13	35498092003	ND
2019-09-13	35498092002	ND