Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Richardson County Rural Water District 2

NOTE: Richardson County Rural Water District 2 purchases water from Falls City, City of which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Falls City, City of.

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND80ND
2021ND80ND
2022ND80ND
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

NOTE: Richardson County Rural Water District 2 purchases water from Falls City, City of which is required to test for 1,1,1,2-tetrachloroethane. Sample information shown below was taken by Falls City, City of.

Date Lab ID Result
2018-08-14567278ND
2018-08-14567277ND
2019-08-12628467ND
2019-08-12628466ND
2020-05-12667088ND
2020-08-10689941ND
2020-08-10689940ND
2021-08-09753825ND
2021-08-09753824ND
2022-08-09816220ND
2022-08-09816219ND
2023-06-12856281ND
2023-08-01880284ND
2023-08-01880285ND