Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Carmel Water District 3

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND80ND
2023ND90ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2022-05-04CL22948POCSND
2022-05-04CL22947POCSND
2022-05-04CL22946POCSND
2022-08-03CL96673POCSND
2022-08-03CL96672POCSND
2022-08-03CL96674POCSND
2022-11-01CM74680POCSND
2022-11-01CM74681POCSND
2023-01-04CN16706POCSND
2023-01-04CN16711POCSND
2023-02-01CN34080POCSND
2023-05-03CN97254POCSND
2023-05-03CN97256POCSND
2023-05-03CN97255POCSND
2023-08-01CO64611POCSND
2023-08-01CO64612POCSND
2023-08-01CO64610POCSND