Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

E Greenville Borough Water Department

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.850 ppb21ND - 1.70 ppb
20191.05 ppb21ND - 2.10 ppb
20201.35 ppb21ND - 2.70 ppb
20211.55 ppb21ND - 3.10 ppb
20221.000 ppb21ND - 2.00 ppb
20230.950 ppb21ND - 1.90 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
2018-10-248028884-01ND
2018-10-248028884-021.70 ppb
2019-10-089034268-01ND
2019-10-099034268-022.10 ppb
2020-10-1323181118.00ND
2020-10-1423181119.002.70 ppb
2021-10-0425403122.00ND
2021-10-0425403123.003.10 ppb
2022-10-3127640327.00ND
2022-11-0227640328.002.00 ppb
2023-10-0329699025.00ND
2023-10-0329699026.001.90 ppb