Aluminum
Carlisle Water Department
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
6
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 |
|---|---|---|---|---|
| 2018 | 40.0 ppb | 1 | 1 | 40.0 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | 20.0 ppb | 1 | 1 | 20.0 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 30.0 ppb | 1 | 1 | 30.0 ppb |
| 2023 | 120.0 ppb | 1 | 1 | 120.0 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 600 ppb
The EWG Health Guideline of 600 ppb for aluminum 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 harm to the brain and nervous system.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-28 | 8022541-01 | 40.0 ppb |
| 2019-02-26 | 9023379-01 | ND |
| 2020-02-25 | 0023474-01 | 20.0 ppb |
| 2021-03-01 | 1024256-01 | ND |
| 2022-02-28 | 2024335-01 | 30.0 ppb |
| 2023-03-06 | 3024586-01 | 120.0 ppb |