Germanium
City of Mountlake Terrace
NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for germanium. Sample information shown below was taken by Alderwood Water District.
Germanium is a naturally occuring element used as a component in semiconductors and fiber optics. Excessive exposures to germanium may harm the kidneys.
4
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 |
|---|---|---|---|---|
| 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 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for germanium. Sample information shown below was taken by Alderwood Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-06 | 18-04154-8572 | ND |
| 2018-05-08 | 18-16312-33499 | ND |
| 2018-08-08 | 18-29762-60144 | ND |
| 2018-11-07 | 18-42196-85856 | ND |