Aluminum
Alta Sierra Mutual Water Company
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
7
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 160.0 ppb | 2 | 1 | ND - 320.0 ppb |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2019-05-13 | CA1500209_002_002-201905131005 | ND |
| 2020-08-12 | CA1500209_001_001-202008121339 | ND |
| 2020-08-12 | CA1500209_003_003-202008121225 | ND |
| 2022-05-11 | CA1500209_002_002-202205111145 | ND |
| 2022-11-29 | CA1500209_006_006-202211291100 | 320.0 ppb |
| 2023-08-23 | CA1500209_001_001-202308231055 | ND |
| 2023-08-23 | CA1500209_003_003-202308231105 | ND |