Know Your Environment. Protect Your Health.

Chloromethane

American Legion Mia Post 231

NOTE: American Legion Mia Post 231 purchases water from Rra Preston Shores Water System which is required to test for chloromethane. Sample information shown below was taken by Rra Preston Shores Water System.

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
2018ND40ND
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: American Legion Mia Post 231 purchases water from Rra Preston Shores Water System which is required to test for chloromethane. Sample information shown below was taken by Rra Preston Shores Water System.

Date Lab ID Result
2018-08-30Q1835060001ND
2019-09-11Q1964249001ND
2020-09-17Q2037219001ND
2021-09-14Q2125007001ND
2022-09-01Q2226035001ND
2023-09-06Q2338447001ND