Aluminum
Madera Co. Sa16 Sumner Hill-water System
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
7
Samples
0
Samples exceeding legal limit (MCL)
2
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 720.0 ppb | 1 | 1 | 720.0 ppb |
| 2019 | 270.0 ppb | 1 | 1 | 270.0 ppb |
| 2020 | 45.0 ppb | 1 | 1 | 45.0 ppb |
| 2021 | 19.0 ppb | 1 | 1 | 19.0 ppb |
| 2022 | 440.0 ppb | 1 | 1 | 440.0 ppb |
| 2023 | 885.5 ppb | 2 | 2 | 71.0 ppb - 1,700.0 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 |
|---|---|---|
| 2018-01-09 | CA2000729_001_001-201801090930 | 720.0 ppb |
| 2019-01-22 | CA2000729_001_001-201901220945 | 270.0 ppb |
| 2020-01-30 | CA2000729_001_001-202001301100 | 45.0 ppb |
| 2021-01-20 | CA2000729_001_001-202101201030 | 19.0 ppb |
| 2022-01-25 | CA2000729_001_001-202201250835 | 440.0 ppb |
| 2023-03-22 | CA2000729_001_001-202303221150 | 1,700.0 ppb |
| 2023-07-18 | CA2000729_001_001-202307181000 | 71.0 ppb |