Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

East Cocalico Township

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.125 ppb41ND - 0.500 ppb
20190.625 ppb41ND - 2.50 ppb
20200.975 ppb165ND - 5.40 ppb
20210.667 ppb62ND - 2.20 ppb
2022ND40ND
20230.556 ppb164ND - 3.60 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
2018-04-278045051-02REND
2018-04-278045051-080.500 ppb
2018-04-278045051-11ND
2018-04-278045051-10ND
2019-04-299041601-062.50 ppb
2019-04-299041601-08ND
2019-04-299041601-09ND
2019-04-299041601-02ND
2020-05-0122369768.00ND
2020-05-0122369747.00ND
2020-05-0122369724.00ND
2020-05-0122369701.003.90 ppb
2020-05-0122369678.00ND
2020-05-0122369655.00ND
2020-05-0122369632.00ND
2020-05-0122369609.00ND
2020-05-0122369586.00ND
2020-05-0122369541.00ND
2020-05-0122369563.00ND
2020-05-1122369509.002.70 ppb
2020-09-2523142980.00ND
2020-10-2223322769.005.40 ppb
2020-10-2923322727.002.60 ppb
2020-11-2023497283.001.000 ppb
2021-03-1024203662.002.20 ppb
2021-04-0824393854.00ND
2021-04-0824393833.00ND
2021-04-0824393804.00ND
2021-04-0824393881.001.80 ppb
2021-07-1424979178.00ND
2022-04-0826607723.00ND
2022-04-0826607768.00ND
2022-04-0826607747.00ND
2022-04-0826607696.00ND
2023-01-1128310395.002.50 ppb
2023-01-1128310368.00ND
2023-01-1128310440.00ND
2023-01-1128310419.00ND
2023-04-1228858502.003.60 ppb
2023-04-1228858501.00ND
2023-04-1228858499.00ND
2023-04-1228858500.00ND
2023-07-1229454835.002.20 ppb
2023-09-1329847925.00ND
2023-09-1329847927.00ND
2023-09-1329847930.00ND
2023-09-1329847928.00ND
2023-09-1329847929.00ND
2023-09-1329847926.00ND
2023-10-2530031832.000.600 ppb