Silver
Daphne
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 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-13 | 140114013-1 | ND |
| 2016-01-13 | 160114025-2 | ND |
| 2016-01-13 | 160114025-1 | ND |
| 2016-01-13 | 160114025-4 | ND |
| 2016-01-13 | 160114025-3 | ND |
| 2016-04-13 | 160414035-2 | ND |
| 2016-04-13 | 160414035-1 | ND |
| 2017-01-12 | 170113030-1 | ND |
| 2018-09-25 | 18090665-001 | ND |
| 2019-01-16 | 19010489-002 | ND |
| 2019-01-16 | 19010489-001 | ND |
| 2019-10-14 | 20126104001_IIOC | ND |
| 2019-10-14 | 20126104001_IIOC | ND |
| 2019-12-16 | 20134834001_IIOC | ND |