Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Horsham Water&sewer Authority

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

 

95

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND130ND
2020ND230ND
2021ND180ND
2022ND180ND
2023ND150ND

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
2018-01-30AF74813ND
2018-01-30AF74814ND
2018-02-13AF75932ND
2018-03-23AF79016ND
2018-06-22AF86999ND
2018-08-30AF94269ND
2018-10-03AF96985ND
2018-12-27AG04620ND
2019-02-11AG07773ND
2019-02-11AG07771ND
2019-02-11AG07775ND
2019-02-11AG07772ND
2019-02-27AG09179ND
2019-04-11AG13046ND
2019-04-11AG13047ND
2019-05-09AG16016ND
2019-05-09AG16019ND
2019-05-23AG16891ND
2019-08-21AG28299ND
2019-09-18AG31925ND
2019-09-18AG31924ND
2020-01-1621502660.00ND
2020-01-1621502639.00ND
2020-01-1621502618.00ND
2020-01-1621502597.00ND
2020-03-1221846183.00ND
2020-03-1221846162.00ND
2020-03-1221846141.00ND
2020-03-1221846120.00ND
2020-03-1221846099.00ND
2020-04-0822021661.00ND
2020-04-0822021619.00ND
2020-04-0822021598.00ND
2020-04-0822021640.00ND
2020-05-2022214503.00ND
2020-05-2022214482.00ND
2020-07-2222607037.00ND
2020-07-2222607016.00ND
2020-07-2222607058.00ND
2020-07-2222606995.00ND
2020-10-2123181844.00ND
2020-10-2123181823.00ND
2020-10-2123181781.00ND
2020-10-2123181802.00ND
2021-01-0623888201.00ND
2021-01-0623888180.00ND
2021-01-0623888138.00ND
2021-01-0623888159.00ND
2021-05-1324438526.00ND
2021-05-1324438505.00ND
2021-05-1324438484.00ND
2021-05-1324438463.00ND
2021-07-0824828066.00ND
2021-07-2124828171.00ND
2021-07-2124828234.00ND
2021-07-2124828213.00ND
2021-07-2124828192.00ND
2021-07-2925022384.00ND
2021-09-2925220229.00ND
2021-10-0725403889.00ND
2021-10-1325403904.00ND
2021-10-2725403934.00ND
2022-01-0526117089.00ND
2022-01-1226117047.00ND
2022-01-1226117068.00ND
2022-02-1026117146.00ND
2022-02-1726117026.00ND
2022-02-2426117123.00ND
2022-04-0626463503.00ND
2022-04-2026463545.00ND
2022-04-2026463566.00ND
2022-04-2026463524.00ND
2022-07-0727037099.00ND
2022-07-1327037078.00ND
2022-07-1327037057.00ND
2022-07-1427037036.00ND
2022-11-0227822990.00ND
2022-11-0927822927.00ND
2022-11-1027822948.00ND
2022-11-1027822969.00ND
2023-01-1828172701.00ND
2023-01-1928172680.00ND
2023-01-2628172722.00ND
2023-01-2628172743.00ND
2023-04-1228702132.00ND
2023-04-2628702174.00ND
2023-04-2628702195.00ND
2023-04-2628702111.00ND
2023-04-2628702153.00ND
2023-07-2729301887.00ND
2023-07-2729301866.00ND
2023-07-2729301908.00ND
2023-10-1929886666.00ND
2023-10-1929886645.00ND
2023-10-1929886624.00ND