Germanium
Derry Water Department
NOTE: Derry Water Department purchases water from Manchester Water Works which is required to test for germanium. Sample information shown below was taken by Manchester Water Works.
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 |
|---|---|---|---|---|
| 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 | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Derry Water Department purchases water from Manchester Water Works which is required to test for germanium. Sample information shown below was taken by Manchester Water Works.
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-17 | U8A0012-01 | ND |
| 2018-04-25 | U8D0011-01 | ND |
| 2018-07-16 | U8G0016-01 | ND |
| 2018-10-17 | U8J0021-01 | ND |