Silver
Town of Warrenton
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.
11
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 | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-09 | E140606028 | ND |
| 2015-09-15 | VA010-DCLS | ND |
| 2016-09-07 | E160603997 | ND |
| 2016-09-07 | E160603981 | ND |
| 2016-09-07 | E160603994 | ND |
| 2017-08-22 | E170608392 | ND |
| 2018-06-25 | E180607843 | ND |
| 2018-07-23 | E180702499 | ND |
| 2019-08-27 | E190610068 | ND |
| 2019-08-27 | E190610070 | ND |
| 2019-08-27 | E190610093 | ND |