Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Terra Bella Irrigation District - Tbt

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND90ND
2020ND30ND
2021ND60ND
2022ND60ND
2023ND90ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for cis-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

Date Lab ID Result
2018-09-17CA5410038_001_001-201809171140ND
2018-09-24CA5410038_032_032-201809241300ND
2018-09-24CA5410038_027_027-201809241445ND
2018-12-27CA5410038_032_032-201812271200ND
2018-12-27CA5410038_027_027-201812271250ND
2019-02-26CA5410038_027_027-201902261318ND
2019-02-26CA5410038_032_032-201902261152ND
2019-05-10CA5410038_027_027-201905101310ND
2019-05-10CA5410038_032_032-201905101155ND
2019-08-29CA5410038_027_027-201908291340ND
2019-08-29CA5410038_032_032-201908291208ND
2019-11-19CA5410038_001_001-201911191242ND
2019-11-21CA5410038_032_032-201911211158ND
2019-11-21CA5410038_027_027-201911211338ND
2020-11-30CA5410038_027_027-202011301254ND
2020-11-30CA5410038_032_032-202011301130ND
2020-12-29CA5410038_028_028-202012291250ND
2021-02-19CA5410038_032_032-202102191100ND
2021-02-19CA5410038_027_027-202102191215ND
2021-02-19CA5410038_028_028-202102191125ND
2021-05-27CA5410038_028_028-202105271235ND
2021-09-13CA5410038_028_028-202109131325ND
2021-11-15CA5410038_028_028-202111151325ND
2022-03-07CA5410038_027_027-202203071258ND
2022-03-29CA5410038_028_028-202203291115ND
2022-06-16CA5410038_032_032-202206161135ND
2022-08-15CA5410038_001_001-202208151150ND
2022-09-19CA5410038_028_028-202209191305ND
2022-09-19CA5410038_032_032-202209191135ND
2023-07-24CA5410038_001_001-202307241220ND
2023-09-12CA5410038_009_009-202309121158ND
2023-09-12CA5410038_002_002-202309121152ND
2023-09-12CA5410038_016_016-202309121138ND
2023-09-12CA5410038_025_025-202309121230ND
2023-09-12CA5410038_020_020-202309121147ND
2023-09-12CA5410038_024_024-202309121220ND
2023-12-04CA5410038_027_027-202312041244ND
2023-12-04CA5410038_028_028-202312041315ND