Aluminum
City of Opelousas Water System
Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.
22
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 | ND | 10 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 10.00 ppb | 2 | 1 | ND - 20.0 ppb |
| 2021 | 97.5 ppb | 4 | 4 | 90.0 ppb - 100.0 ppb |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 25.0 ppb | 6 | 6 | 10.00 ppb - 30.0 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 |
|---|---|---|
| 2018-01-09 | AE20408 | ND |
| 2018-01-09 | AE20412 | ND |
| 2018-01-09 | AE20416 | ND |
| 2018-01-09 | AE20420 | ND |
| 2018-01-09 | AE20404 | ND |
| 2018-01-09 | AE20408 | ND |
| 2018-01-09 | AE20412 | ND |
| 2018-01-09 | AE20416 | ND |
| 2018-01-09 | AE20420 | ND |
| 2018-01-09 | AE20404 | ND |
| 2020-08-17 | B2004149-002 | ND |
| 2020-08-17 | B2004149-001 | 20.0 ppb |
| 2021-01-19 | B2100163-001 | 100.0 ppb |
| 2021-01-19 | B2100163-002 | 100.0 ppb |
| 2021-01-19 | B2100163-003 | 90.0 ppb |
| 2021-01-19 | B2100163-004 | 100.0 ppb |
| 2023-08-28 | B2303557-001 | 30.0 ppb |
| 2023-08-28 | B2303557-002 | 30.0 ppb |
| 2023-08-28 | B2303557-003 | 30.0 ppb |
| 2023-08-28 | B2303557-004 | 30.0 ppb |
| 2023-08-28 | B2303557-005 | 10.00 ppb |
| 2023-08-28 | B2303557-006 | 20.0 ppb |