Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Altoona Water Authority

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND80ND
2022ND60ND
2023ND50ND

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
2018-08-288H28046-01ND
2018-08-288H28044-01ND
2018-08-288H28051-01ND
2018-08-288H28032-01ND
2018-08-288H28031-01ND
2018-08-288H28047-01ND
2019-11-069K07058-01ND
2019-11-069K07058-03ND
2019-11-079K07074-01ND
2019-11-079K07072-01ND
2019-12-059L05126-01ND
2020-02-0621729175.00ND
2020-08-0522869704.00ND
2020-08-0522869703.00ND
2020-08-0522869702.00ND
2020-08-1022869915.00ND
2020-08-1022869916.00ND
2020-08-1022869914.00ND
2021-07-0124897504.00ND
2021-07-0824897525.00ND
2021-08-1025092081.00ND
2021-08-1025092024.00ND
2021-08-1025092080.00ND
2021-08-1025092025.00ND
2021-08-1025092026.00ND
2021-12-1325828701.00ND
2022-02-2426177238.00ND
2022-08-1627309600.00ND
2022-08-1627309676.00ND
2022-08-1627308841.00ND
2022-08-1627309642.00ND
2022-11-1027885523.00ND
2023-07-2629371568.00ND
2023-07-2629371525.00ND
2023-07-2629371481.00ND
2023-07-2629371547.00ND
2023-07-2629371503.00ND