Aluminum
City of Woodway
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 | 44.1 ppb | 2 | 2 | 43.9 ppb - 44.3 ppb |
| 2019 | 37.5 ppb | 1 | 1 | 37.5 ppb |
| 2020 | 19.8 ppb | 5 | 2 | ND - 63.5 ppb |
| 2021 | 184.4 ppb | 2 | 2 | 65.8 ppb - 303.0 ppb |
| 2022 | 40.6 ppb | 1 | 1 | 40.6 ppb |
| 2023 | 22.3 ppb | 5 | 2 | ND - 57.5 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 |
|---|---|---|
| 2019-11-15 | AE89345 | 37.5 ppb |
| 2020-02-18 | AE98626 | ND |
| 2020-02-18 | AE98627 | 35.7 ppb |
| 2020-05-11 | AF10174 | 63.5 ppb |
| 2020-08-12 | AF23017 | ND |
| 2020-08-12 | AF23018 | ND |
| 2022-02-15 | AF84832 | 40.6 ppb |
| 2023-04-24 | AG37629 | 57.5 ppb |
| 2023-04-24 | AG37630 | 54.0 ppb |
| 2023-04-24 | AG37631 | ND |
| 2023-04-24 | AG37632 | ND |
| 2023-07-13 | AG48391 | ND |