Aluminum
Town of Westlake
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
0
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 | 11.4 ppb | 5 | 5 | 8.30 ppb - 18.0 ppb |
| 2019 | 10.7 ppb | 5 | 5 | 9.00 ppb - 13.0 ppb |
| 2020 | 21.7 ppb | 5 | 5 | 6.50 ppb - 47.0 ppb |
| 2021 | 17.0 ppb | 5 | 5 | 5.30 ppb - 41.0 ppb |
| 2022 | 24.6 ppb | 5 | 5 | 7.20 ppb - 72.0 ppb |
| 2023 | 18.6 ppb | 5 | 4 | ND - 61.0 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 |
|---|