Aluminum
Harris County Municipal Utility District 23
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
4
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 | 110.2 ppb | 17 | 4 | ND - 694.0 ppb |
| 2019 | 126.3 ppb | 30 | 7 | ND - 3,390.0 ppb |
| 2020 | 14.1 ppb | 2 | 1 | ND - 28.2 ppb |
| 2021 | 118.0 ppb | 16 | 5 | ND - 1,640.0 ppb |
| 2022 | 16.5 ppb | 27 | 6 | ND - 153.0 ppb |
| 2023 | 15.7 ppb | 2 | 1 | ND - 31.4 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 |
|---|---|---|
| 2020-03-11 | AF02204 | ND |
| 2020-03-11 | AF02205 | 28.2 ppb |
| 2023-01-17 | AG24614 | 31.4 ppb |
| 2023-04-06 | AG35745 | ND |