Aluminum
Pendleton Water Association
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
9
Samples
0
Samples exceeding legal limit (MCL)
4
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 1,500.0 ppb | 2 | 2 | 1,500.0 ppb |
| 2019 | 500.0 ppb | 2 | 2 | 500.0 ppb |
| 2020 | 260.0 ppb | 1 | 1 | 260.0 ppb |
| 2021 | 220.0 ppb | 1 | 1 | 220.0 ppb |
| 2022 | 1,670.0 ppb | 1 | 1 | 1,670.0 ppb |
| 2023 | 2,460.0 ppb | 2 | 2 | 120.0 ppb - 4,800.0 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 |
|---|---|---|
| 2018-02-20 | 35375979001 | 1,500.0 ppb |
| 2018-02-20 | 35375979001 | 1,500.0 ppb |
| 2019-03-12 | 35454721001 | 500.0 ppb |
| 2019-03-12 | 35454721001 | 500.0 ppb |
| 2020-02-10 | B2000668-001 | 260.0 ppb |
| 2021-01-20 | B2100177-001 | 220.0 ppb |
| 2022-02-21 | B2200825-001 | 1,670.0 ppb |
| 2023-02-27 | B2300826-001 | 120.0 ppb |
| 2023-08-30 | B2303712-001 | 4,800.0 ppb |