Aluminum
Hickory Grove Water System
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
12
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 | ND | 8 | 0 | ND |
| 2020 | 90.0 ppb | 1 | 1 | 90.0 ppb |
| 2021 | 17.5 ppb | 4 | 3 | ND - 30.0 ppb |
| 2022 | 30.0 ppb | 1 | 1 | 30.0 ppb |
| 2023 | 45.0 ppb | 2 | 2 | 30.0 ppb - 60.0 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 |
|---|---|---|
| 2019-01-22 | 35444047001 | ND |
| 2019-01-22 | 35444047002 | ND |
| 2019-01-22 | 35444047003 | ND |
| 2019-01-22 | 35444047004 | ND |
| 2019-01-22 | 35444047001 | ND |
| 2019-01-22 | 35444047002 | ND |
| 2019-01-22 | 35444047003 | ND |
| 2019-01-22 | 35444047004 | ND |
| 2021-11-30 | B2106413-001 | 30.0 ppb |
| 2021-11-30 | B2106413-002 | ND |
| 2021-11-30 | B2106413-003 | 10.00 ppb |
| 2021-11-30 | B2106413-004 | 30.0 ppb |