Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Ruth Water District

NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Ely Municipal Water Department.

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND10ND
2021ND10ND
2022ND60ND
2023N/A00N/A

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: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Ely Municipal Water Department.

Date Lab ID Result
2018-11-0818110223-007ND
2019-11-1419110404-002ND
2019-11-1419110404-003ND
2019-11-1419110404-005ND
2019-11-2119110631-001ND
2020-12-22202012290116ND
2021-12-09202112150655ND
2022-01-13202201200473ND
2022-05-1222050451-001ND
2022-05-1222050451-002ND
2022-07-0722070169-002ND
2022-07-0722070169-003ND
2022-07-0722070169-004ND