Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

State College Boro Water Auth.

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
2021ND50ND
2022ND30ND
2023ND80ND

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
2018-02-148B14177-01ND
2019-02-129B12139-01ND
2020-02-1221735629.00ND
2020-02-1221735628.00ND
2020-02-1221735627.00ND
2020-02-1221735626.00ND
2020-02-1221735625.00ND
2021-02-1623953997.00ND
2021-04-0724321971.00ND
2021-08-1625098838.00ND
2021-09-1325291241.00ND
2021-11-1525654887.00ND
2022-02-1526182287.00ND
2022-09-0127520790.00ND
2022-11-1627890867.00ND
2023-02-1428415057.00ND
2023-05-1628981578.00ND
2023-08-1429577816.00ND
2023-11-1330139899.00ND
2023-12-2030314237.00ND
2023-12-2030314300.00ND
2023-12-2030314258.00ND
2023-12-2030314279.00ND