Silver
Manchester Water Works
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.
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 | ND | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-17 | 1402-00337-001 | ND |
| 2014-05-14 | 1405-00443-001 | ND |
| 2014-08-04 | 1408-00056-002 | ND |
| 2015-08-17 | 1508-01335-003 | ND |
| 2016-08-11 | 1608-01474-003 | ND |
| 2017-08-16 | 1708-02232-001 | ND |
| 2018-08-23 | 1808-03299-001 | ND |
| 2019-08-13 | 1908-01818-001 | ND |