Know Your Environment. Protect Your Health.

Chloromethane

Concho Rural Water Pecan Creek

NOTE: Concho Rural Water Pecan Creek purchases water from City of San Angelo which is required to test for chloromethane. Sample information shown below was taken by City of San Angelo.

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

NOTE: Concho Rural Water Pecan Creek purchases water from City of San Angelo which is required to test for chloromethane. Sample information shown below was taken by City of San Angelo.

Date Lab ID Result
2013-08-26201308270155AMND
2013-11-25201311260124AMND
2014-02-20201402210248AMND
2014-05-20201405210834AMND
2018-02-28Q1808687007ND
2019-05-07Q1920785002ND
2020-02-18Q2006105001ND
2021-04-27Q2110656002ND
2022-02-14Q2205298009ND
2023-02-15Q2306325010ND