Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Allendale Water Department

NOTE: Allendale Water Department purchases water from United Water NJ which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by United Water NJ.

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND50ND
2021ND80ND
2022ND70ND
2023ND50ND

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

NOTE: Allendale Water Department purchases water from United Water NJ which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by United Water NJ.

Date Lab ID Result
2018-01-248010726-01ND
2018-04-068040261-01ND
2018-07-068070310-01ND
2018-07-108070363-01ND
2018-10-048100284-01ND
2019-01-089010311-01ND
2019-04-049040295-01ND
2019-07-099070487-01ND
2019-07-169070896-01ND
2019-10-169100925-01ND
2020-02-260021051-01ND
2020-05-140050649-01ND
2020-07-010070082-03ND
2021-07-071070325-01ND
2022-07-072070381-01ND
2023-07-0523G0111-03ND