Know Your Environment. Protect Your Health.

Chloromethane

Dean Dale Special Utility District

NOTE: Dean Dale Special Utility District purchases water from City of Wichita Falls which is required to test for chloromethane. Sample information shown below was taken by City of Wichita Falls.

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND50ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
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: Dean Dale Special Utility District purchases water from City of Wichita Falls which is required to test for chloromethane. Sample information shown below was taken by City of Wichita Falls.

Date Lab ID Result
2014-03-313000250ND
2014-08-143083611ND
2014-09-083099460ND
2014-11-173140623ND
2014-12-083151423ND
2015-02-093183776ND
2015-03-243213444ND
2015-05-113239867ND
2018-08-21Q1833473002ND
2018-11-14Q1846491001ND
2019-05-14Q1925075001ND
2019-08-19Q1956634012ND
2020-09-23Q2037767001ND
2020-11-10Q2044047001ND
2021-02-03Q2103346004ND
2021-08-16Q2121825003ND
2022-08-17Q2224340023ND
2022-08-17Q2224340018ND
2023-08-21Q2335127007ND
2023-08-21Q2335127009ND