Silver
Loudoun Water - Central System
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-15 | 92201785005MET | ND |
| 2014-09-29 | 92219401005_MET | ND |
| 2015-08-10 | 460165-PACE ANAL | ND |
| 2016-07-11 | 92304827003_MET | ND |
| 2017-08-15 | 3760311 | ND |
| 2018-07-10 | 92391427001_MET | ND |
| 2018-08-13 | 92395631001_MET | ND |
| 2019-08-27 | 92443218001_MET | ND |