Know Your Environment. Protect Your Health.

Chloromethane

Brandon-irene Water Supply Corporation

NOTE: Brandon-irene Water Supply Corporation purchases water from Aquilla WSD which is required to test for chloromethane. Sample information shown below was taken by Aquilla WSD.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND40ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

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: Brandon-irene Water Supply Corporation purchases water from Aquilla WSD which is required to test for chloromethane. Sample information shown below was taken by Aquilla WSD.

Date Lab ID Result
2018-07-11Q1827265002ND
2019-07-10Q1943492003ND
2020-07-09Q2026950002ND
2021-07-07Q2117789002ND
2022-08-10Q2223014001ND
2023-07-17Q2327747001ND