Silver
Leeds Water Board
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
16
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 | ND | 7 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-20 | 1507-00297-5 | ND |
| 2015-07-20 | 1507-00297-6 | ND |
| 2015-07-20 | 1507-00297-1 | ND |
| 2015-07-20 | 1507-00297-2 | ND |
| 2015-07-20 | 1507-00297-3 | ND |
| 2015-07-20 | 1507-00297-4 | ND |
| 2015-08-17 | 1508-00190-1 | ND |
| 2017-10-04 | 1710-00071-1 | ND |
| 2018-07-16 | 1807-00242-004 | ND |
| 2018-07-16 | 1807-00242-001 | ND |
| 2018-07-16 | 1807-00242-002 | ND |
| 2018-07-16 | 1807-00242-003 | ND |
| 2018-07-16 | 1807-00242-007 | ND |
| 2018-07-16 | 1807-00242-006 | ND |
| 2018-07-16 | 1807-00242-005 | ND |
| 2019-07-31 | 1907-00423-001 | ND |