Silver
Newport Water Works
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-15 | A400205002 | ND |
2014-07-16 | A404980002 | ND |
2015-07-16 | A505251001 | ND |
2016-07-13 | B605680002 | ND |
2017-01-17 | 3701-1332-1 | ND |
2017-07-05 | 3707-216-1 | ND |
2018-07-25 | 118072701.01 | ND |