Aluminum
Ridge Harbor
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 | 112.0 ppb | 1 | 1 | 112.0 ppb |
| 2019 | 124.0 ppb | 1 | 1 | 124.0 ppb |
| 2020 | 26.5 ppb | 1 | 1 | 26.5 ppb |
| 2021 | 31.2 ppb | 1 | 1 | 31.2 ppb |
| 2022 | 33.0 ppb | 1 | 1 | 33.0 ppb |
| 2023 | 39.0 ppb | 1 | 1 | 39.0 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 |
|---|---|---|
| 2018-03-13 | AE18099 | 112.0 ppb |
| 2019-01-09 | AE49158 | 124.0 ppb |
| 2020-02-06 | AE97253 | 26.5 ppb |
| 2021-01-21 | AF40269 | 31.2 ppb |
| 2022-03-01 | AF86817 | 33.0 ppb |
| 2023-01-23 | AG25478 | 39.0 ppb |