Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

River Run S/d

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.25 ppb21ND - 2.50 ppb
20190.800 ppb21ND - 1.60 ppb
20200.500 ppb21ND - 1.000 ppb
20211.15 ppb21ND - 2.30 ppb
20221.05 ppb21ND - 2.10 ppb
20231.90 ppb111.90 ppb

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
2018-04-19CB02658-012.50 ppb
2018-07-16CB09180-01ND
2019-04-30CC03139-011.60 ppb
2019-07-30CC09260-01ND
2020-04-27CD02849-011.000 ppb
2020-07-29CD08830-01ND
2021-06-03CE02375-012.30 ppb
2021-08-06CE07105-01ND
2022-05-05CF03515-012.10 ppb
2022-08-18CF09401-01ND
2023-05-22752-7477-11.90 ppb