Aluminum
Patterson Water System
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
14
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 | 40.3 ppb | 6 | 6 | 27.0 ppb - 58.0 ppb |
| 2020 | 52.3 ppb | 3 | 3 | 21.0 ppb - 90.0 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 40.0 ppb | 1 | 1 | 40.0 ppb |
| 2023 | 40.0 ppb | 1 | 1 | 40.0 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 |
|---|---|---|
| 2018-01-25 | 35370415002 | ND |
| 2018-01-25 | 35370415002 | ND |
| 2019-01-15 | 35442674001 | 58.0 ppb |
| 2019-01-15 | 35442674001 | 58.0 ppb |
| 2019-07-24 | 35484856001 | 27.0 ppb |
| 2019-07-24 | 35484856001 | 27.0 ppb |
| 2019-10-22 | 35507344001 | 36.0 ppb |
| 2019-10-22 | 35507344001 | 36.0 ppb |
| 2020-01-07 | 35522572001 | 46.0 ppb |
| 2020-01-07 | 35522572002 | 21.0 ppb |
| 2020-04-14 | B2001727-001 | 90.0 ppb |
| 2021-03-25 | B2101306-001 | ND |
| 2022-01-06 | B2200050-001 | 40.0 ppb |
| 2023-01-30 | B2300412-001 | 40.0 ppb |