Lithium
Cross Valley Water District
NOTE: Cross Valley Water District purchases water from City of Everett Public Works Department which is required to test for lithium. Sample information shown below was taken by City of Everett Public Works Department.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 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 | 8 | 0 | ND |
| 2024 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Cross Valley Water District purchases water from City of Everett Public Works Department which is required to test for lithium. Sample information shown below was taken by City of Everett Public Works Department.
| Date | Lab ID | Result |
|---|---|---|
| 2023-02-23 | 380-38760-2 | ND |
| 2023-02-23 | 380-38760-1 | ND |
| 2023-05-16 | 380-48014-3 | ND |
| 2023-05-16 | 380-48014-1 | ND |
| 2023-08-15 | 380-59537-1 | ND |
| 2023-08-15 | 380-59537-2 | ND |
| 2023-11-07 | 380-70382-1 | ND |
| 2023-11-07 | 380-70382-3 | ND |