Silver
Roslyn WD
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.
15
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-11 | 1402494-002-SEC | ND |
| 2014-05-16 | 1405C17-002-SEC | ND |
| 2015-02-10 | 1502633-001-SEC | ND |
| 2015-04-23 | 1504I52-002-SEC | ND |
| 2015-06-09 | 1506722-002-SEC | ND |
| 2016-02-11 | 1602917-001-SEC | ND |
| 2016-06-01 | 1606082-001-SEC | ND |
| 2017-03-08 | 7012866002-SEC | ND |
| 2017-04-19 | 7016340004-SEC | ND |
| 2017-06-06 | 7020426001-SEC | ND |
| 2018-04-05 | 7047399001-SEC | ND |
| 2018-05-30 | 7053122001-SEC | ND |
| 2019-01-23 | 7077366001-SEC | ND |
| 2019-03-28 | 7083725002-SEC | ND |
| 2019-06-14 | 7093737003-SEC | ND |