Silver
Porter SUD
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.
14
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-01-12 | AD17497 | ND |
| 2016-01-12 | AD17492 | ND |
| 2016-01-12 | AD17494 | ND |
| 2016-01-12 | AD17493 | ND |
| 2016-01-12 | AD17498 | ND |
| 2017-01-19 | AD65645 | ND |
| 2017-01-19 | AD65644 | ND |
| 2017-01-19 | AD65647 | ND |
| 2017-06-26 | AD87767 | ND |
| 2019-01-23 | AE50875 | ND |
| 2019-01-23 | AE50871 | ND |
| 2019-01-23 | AE50873 | ND |
| 2019-01-23 | AE50872 | ND |
| 2019-01-23 | AE50874 | ND |