Aluminum
Rra Arrowhead Lake Lots
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
4
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 | 43.6 ppb | 1 | 1 | 43.6 ppb |
| 2019 | 23.0 ppb | 1 | 1 | 23.0 ppb |
| 2020 | 53.0 ppb | 1 | 1 | 53.0 ppb |
| 2021 | 100.0 ppb | 1 | 1 | 100.0 ppb |
| 2022 | 7.00 ppb | 2 | 1 | ND - 14.0 ppb |
| 2023 | 19.9 ppb | 2 | 2 | 6.80 ppb - 33.0 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 |
|---|---|---|
| 2018-05-07 | AE28143 | 43.6 ppb |
| 2019-01-28 | Q1903918002 | 23.0 ppb |
| 2020-06-09 | Q2023221004 | 53.0 ppb |
| 2021-03-09 | Q2106052006 | 100.0 ppb |