Aluminum
East Walnut Grove [sws]
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
10
Samples
0
Samples exceeding legal limit (MCL)
3
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 230.0 ppb | 1 | 1 | 230.0 ppb |
| 2019 | 86.0 ppb | 1 | 1 | 86.0 ppb |
| 2020 | ND | 2 | 0 | ND |
| 2021 | 600.0 ppb | 1 | 1 | 600.0 ppb |
| 2022 | 3,200.0 ppb | 3 | 3 | 1,800.0 ppb - 5,200.0 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 |
|---|---|---|
| 2018-05-07 | CA3400106_007_007-201805070930 | 230.0 ppb |
| 2019-05-09 | CA3400106_007_007-201905090855 | 86.0 ppb |
| 2020-02-11 | CA3400106_001_001-202002110827 | ND |
| 2020-05-07 | CA3400106_001_001-202005070905 | ND |
| 2021-05-10 | CA3400106_007_007-202105100927 | 600.0 ppb |
| 2022-05-02 | CA3400106_007_007-202205020830 | 5,200.0 ppb |
| 2022-05-26 | CA3400106_007_007-202205261020 | 1,800.0 ppb |
| 2022-06-29 | CA3400106_007_007-202206290755 | 2,600.0 ppb |
| 2023-02-14 | CA3400106_001_001-202302140834 | ND |
| 2023-05-01 | CA3400106_001_001-202305010900 | ND |