Aluminum
South Grayson Special Utility District
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
10
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 | 10.00 ppb | 1 | 1 | 10.00 ppb |
| 2019 | 4.93 ppb | 3 | 2 | ND - 9.20 ppb |
| 2020 | 9.80 ppb | 1 | 1 | 9.80 ppb |
| 2021 | 7.10 ppb | 1 | 1 | 7.10 ppb |
| 2022 | 9.70 ppb | 3 | 3 | 7.60 ppb - 12.0 ppb |
| 2023 | 7.80 ppb | 1 | 1 | 7.80 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 |
|---|---|---|
| 2018-10-15 | Q1840862015 | 10.00 ppb |
| 2019-08-13 | Q1954236001 | ND |
| 2019-08-13 | Q1954236002 | 9.20 ppb |
| 2019-08-13 | Q1954236020 | 5.60 ppb |
| 2020-08-06 | Q2031194019 | 9.80 ppb |
| 2021-11-10 | Q2131631005 | 7.10 ppb |
| 2022-02-08 | Q2204251001 | 12.0 ppb |
| 2022-04-26 | Q2212466001 | 9.50 ppb |
| 2022-04-26 | Q2212466002 | 7.60 ppb |
| 2023-05-16 | Q2318439017 | 7.80 ppb |