Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Trumbauersville Municipal Waterworks

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
20181.000 ppb111.000 ppb
20190.678 ppb43ND - 1.10 ppb
20200.460 ppb21ND - 0.920 ppb
2021ND20ND
2022ND10ND
20230.786 ppb74ND - 1.50 ppb

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
2018-12-2330077760011.000 ppb
2019-03-3130252570011.10 ppb
2019-06-303043361001ND
2019-09-1830591090010.750 ppb
2019-12-3130785260020.860 ppb
2020-03-3121832480.000.920 ppb
2020-12-2923522845.00ND
2021-09-3025204810.00ND
2021-09-3025204833.00ND
2022-12-2927984503.00ND
2023-05-1829093087.001.50 ppb
2023-05-2629093088.001.40 ppb
2023-05-2629093086.00ND
2023-08-1729481168.00ND
2023-08-2329481169.001.20 ppb
2023-10-2529872570.00ND
2023-11-1030057792.001.40 ppb