Silver
City of Manassas
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.
6
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 | 1 | 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 |
|---|---|---|
| 2014-10-03 | FW14091806-01_ME | ND |
| 2015-11-04 | 00125-FAIRFAX CO | ND |
| 2016-10-24 | FW160921039-01_M | ND |
| 2017-10-11 | FW170905008-01_M | ND |
| 2018-10-19 | FW001_MET_101920 | ND |
| 2019-10-03 | FW001_MET_100320 | ND |