Silver
Stillwater Water District 1
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.
10
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 5 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-09-21 | 350922022.2 | ND |
| 2015-09-21 | 350922021.2 | ND |
| 2015-09-21 | 350922023.2 | ND |
| 2015-09-21 | 350921078.2 | ND |
| 2015-09-21 | 350922024.2 | ND |
| 2018-11-19 | 381119069 | ND |
| 2018-11-19 | 381119071.2 | ND |
| 2018-11-19 | 381119068 | ND |
| 2018-11-19 | 381119070 | ND |
| 2018-11-19 | 381119067 | ND |