Aluminum
Franklin Water Supply
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
8
Samples
0
Samples exceeding legal limit (MCL)
2
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | 31.0 ppb | 2 | 2 | 31.0 ppb |
| 2020 | 23.0 ppb | 1 | 1 | 23.0 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 1,140.0 ppb | 1 | 1 | 1,140.0 ppb |
| 2023 | 1,160.0 ppb | 1 | 1 | 1,160.0 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 |
|---|---|---|
| 2018-01-25 | 35370415004 | ND |
| 2018-01-25 | 35370415004 | ND |
| 2019-01-15 | 35442684001 | 31.0 ppb |
| 2019-01-15 | 35442684001 | 31.0 ppb |
| 2020-01-07 | 35522561001 | 23.0 ppb |
| 2021-02-11 | B2100604-001 | ND |
| 2022-11-21 | B2205538-001 | 1,140.0 ppb |
| 2023-01-30 | B2300411-001 | 1,160.0 ppb |