Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Royal Senter Ridge S/d

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND10ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND30ND

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

Date Lab ID Result
2019-04-15CC04309-01ND
2020-04-08CD03202-01ND
2020-04-08CD03203-01ND
2020-07-31CD08354-01ND
2020-10-14CD13756-01ND
2021-02-09CD18755-01ND
2021-04-28CE02840-01ND
2021-08-06CE07619-01ND
2021-08-11CE07487-01ND
2022-04-20CF02449-01ND
2022-08-12CF07158-01ND
2022-08-18CF07159-01ND
2022-10-12CF12774-01ND
2023-01-11752-1065-1ND
2023-04-1937729_23-19622ND
2023-08-1637729_23-45652ND