Aluminum
Downsville Water System
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
4
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 | 8.10 ppb | 2 | 2 | 8.10 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 91.4 ppb | 7 | 6 | ND - 430.0 ppb |
| 2023 | 10.00 ppb | 2 | 1 | ND - 20.0 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 |
|---|---|---|
| 2019-01-28 | 35445079003 | 8.10 ppb |
| 2019-01-28 | 35445079003 | 8.10 ppb |
| 2023-01-19 | B2300297-001 | ND |
| 2023-01-19 | B2300297-002 | 20.0 ppb |