Aluminum
Gonzales County Water Supply Corporation
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 | 27.3 ppb | 2 | 1 | ND - 54.5 ppb |
| 2019 | 6.13 ppb | 4 | 1 | ND - 24.5 ppb |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2018-02-08 | AE12937 | ND |
| 2018-12-12 | AE48611 | 54.5 ppb |
| 2019-01-09 | AE49181 | ND |
| 2019-01-09 | AE49182 | ND |
| 2019-01-09 | AE49183 | ND |
| 2019-03-05 | AE57086 | 24.5 ppb |
| 2020-01-21 | AE94252 | ND |
| 2020-03-10 | AF01948 | ND |
| 2021-01-13 | AF39040 | ND |
| 2022-02-09 | AF83924 | ND |
| 2022-04-20 | AF93821 | ND |
| 2022-09-30 | AG15629 | ND |
| 2023-03-15 | AG33164 | ND |
| 2023-03-29 | AG34745 | ND |