Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Warminster Municipal Authority

NOTE: Warminster Municipal Authority purchases water from North Wales Water Authority which is required to test for trans-1,2-dichloroethylene. Sample information shown below was taken by North Wales Water Authority.

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

69

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND30ND
2022ND30ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

NOTE: Warminster Municipal Authority purchases water from North Wales Water Authority which is required to test for trans-1,2-dichloroethylene. Sample information shown below was taken by North Wales Water Authority.

Date Lab ID Result
2018-03-1220180932ND
2018-03-1220180940ND
2018-03-1220180939ND
2018-03-1220180938ND
2018-03-1220180937ND
2018-03-1220180936ND
2018-03-1220180935ND
2018-03-1220180934ND
2018-03-1220180933ND
2018-03-1320180956ND
2018-06-0520182148ND
2018-09-0420183373ND
2018-12-1820184775ND
2019-03-0520190857ND
2019-03-1220190960ND
2019-03-1220190956ND
2019-03-1220190964ND
2019-03-1220190957ND
2019-03-1220190963ND
2019-03-1220190962ND
2019-03-1220190958ND
2019-03-1220190961ND
2019-03-1220190959ND
2019-09-0320193443ND
2019-12-0320194748ND
2020-03-0321849467.00ND
2020-03-0321849446.00ND
2020-03-0321849425.00ND
2020-03-0321849488.00ND
2020-03-0321849509.00ND
2020-03-0321849530.00ND
2020-03-0321849404.00ND
2020-03-0321849551.00ND
2020-06-0222418580.00ND
2020-06-0222418601.00ND
2020-09-0123001535.00ND
2020-12-0123539409.00ND
2021-03-0124062310.00ND
2021-03-0124062394.00ND
2021-03-0124062268.00ND
2021-03-0124062373.00ND
2021-03-0124062352.00ND
2021-03-0124062331.00ND
2021-03-0124062289.00ND
2021-03-0224062415.00ND
2021-06-0124640228.00ND
2021-09-0925222347.00ND
2021-12-1425766377.00ND
2022-03-0126289331.00ND
2022-03-0926289247.00ND
2022-03-0926289310.00ND
2022-03-0926289289.00ND
2022-03-0926289184.00ND
2022-03-0926289226.00ND
2022-03-0926289205.00ND
2022-03-0926289268.00ND
2022-06-0726844660.00ND
2022-09-2027443452.00ND
2022-12-0628000358.00ND
2023-03-0728523010.00ND
2023-03-0828522947.00ND
2023-03-0828522905.00ND
2023-03-0828522989.00ND
2023-03-0828522968.00ND
2023-03-0828522926.00ND
2023-06-0529110406.00ND
2023-06-1929110355.00ND
2023-09-1229701906.00ND
2023-11-1730073308.00ND