Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Harleton Water Supply Corporation

NOTE: Harleton Water Supply Corporation purchases water from Northeast Texas Municipal Water District which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Northeast Texas Municipal Water District.

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

NOTE: Harleton Water Supply Corporation purchases water from Northeast Texas Municipal Water District which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Northeast Texas Municipal Water District.

Date Lab ID Result
2018-09-20Q1837729001ND
2019-08-14Q1954876001ND
2020-04-23Q2016185003ND
2020-08-18Q2032884003ND
2021-02-09Q2103854003ND
2022-03-01Q2206887005ND
2023-01-18Q2302651002ND