Aluminum
City of Zavalla
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 | 9.40 ppb | 1 | 1 | 9.40 ppb |
| 2019 | 9.50 ppb | 2 | 2 | 7.00 ppb - 12.0 ppb |
| 2020 | 9.00 ppb | 1 | 1 | 9.00 ppb |
| 2021 | 8.30 ppb | 1 | 1 | 8.30 ppb |
| 2022 | 5.40 ppb | 2 | 2 | 5.40 ppb |
| 2023 | 7.20 ppb | 1 | 1 | 7.20 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 |
|---|---|---|
| 2018-02-12 | Q1805619006 | 9.40 ppb |
| 2019-02-11 | Q1906018007 | 12.0 ppb |
| 2019-02-11 | Q1906018008 | 7.00 ppb |
| 2020-01-22 | Q2002509008 | 9.00 ppb |
| 2021-01-12 | Q2100808008 | 8.30 ppb |
| 2022-01-05 | Q2200291002 | 5.40 ppb |
| 2022-01-05 | Q2200291004 | 5.40 ppb |
| 2023-01-09 | Q2300803009 | 7.20 ppb |