Bromochloromethane
Lamar, Town of
NOTE: Lamar, Town of purchases water from Darlington County W&SA which is required to test for bromochloromethane. Sample information shown below was taken by Darlington County W&SA.
Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.
ppb = parts per billion
All test results
NOTE: Lamar, Town of purchases water from Darlington County W&SA which is required to test for bromochloromethane. Sample information shown below was taken by Darlington County W&SA.
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-24 | 201503160179AM | ND |
| 2015-03-24 | 201503260800AM | ND |
| 2015-03-24 | 201503260802AM | ND |
| 2015-09-14 | 201509170311AM | ND |
| 2015-09-14 | 201509160580AM | ND |
| 2015-09-14 | 201509170304AM | ND |
| 2018-07-17 | AE15134 | ND |
| 2018-11-01 | AE20719 | ND |
| 2019-01-17 | AE24350 | ND |
| 2019-05-08 | AE30033 | ND |
| 2023-10-12 | AF10138 | ND |
| 2023-10-12 | AF10139 | ND |
| 2023-10-12 | AF10137 | ND |