Aluminum
Gowc East Water System
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
20
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 0 | ND |
| 2023 | 18.8 ppb | 17 | 11 | ND - 140.0 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 |
|---|---|---|
| 2022-10-24 | B2205111-002 | ND |
| 2022-10-24 | B2205111-003 | ND |
| 2022-10-24 | B2205111-001 | ND |
| 2023-01-23 | B2300294-003 | 30.0 ppb |
| 2023-01-23 | B2300294-002 | ND |
| 2023-01-23 | B2300294-001 | ND |
| 2023-03-24 | B2301445-001 | ND |
| 2023-03-24 | B2301445-002 | 10.00 ppb |
| 2023-04-04 | B2301549-001 | 20.0 ppb |
| 2023-04-04 | B2301549-002 | 20.0 ppb |
| 2023-04-04 | B2301549-003 | ND |
| 2023-05-08 | B2301928-001 | 30.0 ppb |
| 2023-05-08 | B2301928-002 | 10.00 ppb |
| 2023-07-10 | B2302777-002 | ND |
| 2023-07-10 | B2302777-003 | 140.0 ppb |
| 2023-07-10 | B2302777-004 | 10.00 ppb |
| 2023-07-10 | B2302777-005 | 20.0 ppb |
| 2023-07-10 | B2302777-001 | ND |
| 2023-10-16 | B2304490-003 | 20.0 ppb |
| 2023-10-16 | B2304490-001 | 10.00 ppb |