Lithium
Northshore Utility District
NOTE: Northshore Utility District purchases water from Seattle Public Utilities which is required to test for lithium. Sample information shown below was taken by Seattle Public Utilities.
Lithium occurs naturally in soil and rock. It is a pollutant from mining and industrial manufacturing of metals, ceramics and batteries. Ingesting too much lithium can lead to symptoms like abdominal pain, diarrhea, nausea and vomiting.
8
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 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 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Northshore Utility District purchases water from Seattle Public Utilities which is required to test for lithium. Sample information shown below was taken by Seattle Public Utilities.
| Date | Lab ID | Result |
|---|---|---|
| 2023-03-14 | 380-40571-1 | ND |
| 2023-03-14 | 380-40571-2 | ND |
| 2023-06-27 | 380-52831-1 | ND |
| 2023-06-27 | 380-52831-2 | ND |
| 2023-09-18 | 380-63561-1 | ND |
| 2023-09-18 | 380-63561-2 | ND |
| 2023-12-18 | 380-75693-1 | ND |
| 2023-12-18 | 380-75693-2 | ND |