Silver
Stafford County Utilities
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.
13
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 | ND | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-11-12 | E140902115 | ND |
| 2014-11-12 | E140902116 | ND |
| 2015-02-12 | VA010-DCLS | ND |
| 2015-05-19 | VA010-DCLS | ND |
| 2015-10-12 | VA010-DCLS | ND |
| 2016-04-20 | E160203648 | ND |
| 2016-11-15 | E160902802 | ND |
| 2017-04-11 | E170204628 | ND |
| 2017-11-08 | E170901955 | ND |
| 2018-04-19 | E180303740 | ND |
| 2018-10-16 | E180905723 | ND |
| 2019-05-06 | E190400763 | ND |
| 2019-10-09 | E191001588 | ND |