Chloromethane
Lakehaven Utility District
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.
56
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 15 | 0 | ND |
| 2014 | ND | 19 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 10 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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
| Date | Lab ID | Result |
|---|---|---|
| 2013-08-06 | 201308070391AM | ND |
| 2013-08-06 | 201308070507AM | ND |
| 2013-08-06 | 201308070393AM | ND |
| 2013-08-06 | 201308070389AM | ND |
| 2013-08-06 | 201308070395AM | ND |
| 2013-08-06 | 201308070497AM | ND |
| 2013-08-12 | 201308130061AM | ND |
| 2013-08-12 | 201308130185AM | ND |
| 2013-08-12 | 201308130146AM | ND |
| 2013-08-12 | 201308130166AM | ND |
| 2013-08-20 | 201308210465AM | ND |
| 2013-08-20 | 201308210412AM | ND |
| 2013-08-20 | 201308210574AM | ND |
| 2013-08-26 | 201308280245AM | ND |
| 2013-08-27 | 201308280248AM | ND |
| 2014-01-13 | 201401140251AM | ND |
| 2014-01-13 | 201401140201AM | ND |
| 2014-01-13 | 201401140203AM | ND |
| 2014-01-21 | 201401220100AM | ND |
| 2014-01-22 | 201401230194AM | ND |
| 2014-01-22 | 201401230158AM | ND |
| 2014-01-22 | 201401230160AM | ND |
| 2014-01-22 | 201401230192AM | ND |
| 2014-04-16 | 201404170317AM | ND |
| 2014-04-22 | 201404230374AM | ND |
| 2014-05-13 | 201405140667AM | ND |
| 2014-06-03 | 201406040625AM | ND |
| 2014-07-01 | 201407020552AM | ND |
| 2014-07-08 | 201407090806AM | ND |
| 2014-07-09 | 201407100475AM | ND |
| 2014-07-22 | 201407230705AM | ND |
| 2014-07-22 | 201407230568AM | ND |
| 2014-07-22 | 201407230564AM | ND |
| 2014-09-30 | 201410010210AM | ND |
| 2018-05-15 | ND | |
| 2018-06-19 | ND | |
| 2018-07-10 | ND | |
| 2018-07-10 | ND | |
| 2019-06-05 | ND | |
| 2019-06-05 | ND | |
| 2019-06-12 | ND | |
| 2019-06-12 | ND | |
| 2019-07-23 | ND | |
| 2019-07-31 | ND | |
| 2019-08-27 | ND | |
| 2019-09-03 | ND | |
| 2019-09-04 | ND | |
| 2019-10-30 | ND | |
| 2021-05-25 | 4122783 | ND |
| 2021-05-25 | 4122783 | ND |
| 2021-05-25 | 4122783 | ND |
| 2021-07-13 | 4149400 | ND |
| 2021-07-13 | 4149400 | ND |
| 2021-09-14 | 4178936 | ND |
| 2022-01-25 | 4234480 | ND |
| 2022-01-25 | 4248102 | ND |