Aluminum
St John Water District 1
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
8
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | 60.0 ppb | 1 | 1 | 60.0 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 50.0 ppb | 1 | 1 | 50.0 ppb |
| 2023 | 110.0 ppb | 1 | 1 | 110.0 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 |
|---|---|---|
| 2018-01-23 | 35370117004 | ND |
| 2018-01-23 | 35370117004 | ND |
| 2019-01-22 | 35444040001 | ND |
| 2019-01-22 | 35444040001 | ND |
| 2020-03-05 | B2001219-001 | 60.0 ppb |
| 2021-01-28 | B2100470-001 | ND |
| 2022-02-02 | B2200528-001 | 50.0 ppb |
| 2023-03-20 | B2301168-001 | 110.0 ppb |