Aluminum
Markridge Park Subdivision Water System
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 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | 12.9 ppb | 14 | 4 | ND - 80.0 ppb |
| 2021 | 2.50 ppb | 4 | 1 | ND - 10.00 ppb |
| 2022 | 70.0 ppb | 2 | 2 | 70.0 ppb |
| 2023 | 60.0 ppb | 2 | 2 | 40.0 ppb - 80.0 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 |
|---|---|---|
| 2018-06-12 | AE21852 | ND |
| 2018-06-12 | AE21855 | ND |
| 2018-06-12 | AE21852 | ND |
| 2018-06-12 | AE21855 | ND |
| 2021-03-01 | B2100939-001 | ND |
| 2021-03-01 | B2100939-002 | 10.00 ppb |
| 2021-04-05 | B2101545-001 | ND |
| 2021-04-05 | B2101545-002 | ND |