Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Friona Municipal 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND30ND
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

Date Lab ID Result
2018-01-16Q1801773012ND
2018-01-16Q1801773005ND
2018-04-10Q1814553005ND
2018-07-30Q1830046007ND
2019-01-17Q1902751001ND
2019-01-17Q1902751004ND
2019-04-23Q1916176007ND
2019-07-08Q1942259004ND
2020-01-15Q2001626005ND
2020-01-15Q2001626007ND
2020-04-07Q2013983007ND
2020-04-07Q2013983011ND
2021-01-13Q2100884009ND
2021-01-13Q2100884011ND
2021-04-08Q2109054004ND
2021-07-14Q2118506004ND
2022-01-11Q2200809003ND
2022-04-04Q2210233001ND
2022-07-12Q2219520001ND
2023-02-16Q2306631004ND
2023-04-11Q2313274004ND
2023-04-11Q2313274010ND
2023-07-11Q2326865009ND
2023-07-11Q2326865012ND