Aluminum
Utilities Inc. - North Park Water Supply
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
21
Samples
0
Samples exceeding legal limit (MCL)
1
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 | 25.0 ppb | 12 | 10 | ND - 40.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 187.1 ppb | 7 | 2 | ND - 1,290.0 ppb |
| 2023 | 14.5 ppb | 2 | 2 | 14.0 ppb - 15.0 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 |
|---|---|---|
| 2019-02-26 | B1900784-001 | 40.0 ppb |
| 2019-02-26 | B1900784-005 | 20.0 ppb |
| 2019-02-26 | B1900784-004 | 30.0 ppb |
| 2019-02-26 | B1900784-003 | 40.0 ppb |
| 2019-02-26 | B1900784-002 | 20.0 ppb |
| 2019-02-26 | B1900784-001 | 40.0 ppb |
| 2019-02-26 | B1900784-005 | 20.0 ppb |
| 2019-02-26 | B1900784-004 | 30.0 ppb |
| 2019-02-26 | B1900784-003 | 40.0 ppb |
| 2019-02-26 | B1900784-002 | 20.0 ppb |
| 2019-10-15 | B1904643-001 | ND |
| 2019-10-15 | B1904643-001 | ND |
| 2022-01-11 | B2200148-001 | ND |
| 2022-01-11 | B2200148-002 | ND |
| 2022-03-07 | B2201045-001 | ND |
| 2022-03-07 | B2201045-002 | ND |
| 2022-03-07 | B2201045-003 | 20.0 ppb |
| 2022-03-07 | B2201045-004 | ND |
| 2022-03-07 | B2201045-005 | 1,290.0 ppb |
| 2023-07-17 | 35814599001 | 14.0 ppb |
| 2023-07-17 | 35814599003 | 15.0 ppb |