Silver
Troy
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.
9
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-19 | AC33583 | ND |
| 2014-08-19 | AC33584 | ND |
| 2014-08-19 | AC33585 | ND |
| 2014-08-19 | AC33586 | ND |
| 2017-08-25 | AD03750 | ND |
| 2017-08-25 | AD03753 | ND |
| 2017-08-25 | AD03751 | ND |
| 2017-08-25 | AD03752 | ND |
| 2019-09-03 | AD54180 | ND |