Silver
Newport Municipal Utility District
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.
8
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-10 | AC41870 | ND |
| 2014-02-10 | AC41866 | ND |
| 2015-02-03 | AC78972 | ND |
| 2016-02-09 | AD22656 | ND |
| 2017-01-10 | AD63875 | ND |
| 2017-01-10 | AD63872 | ND |
| 2018-03-14 | AE18328 | ND |
| 2019-01-16 | AE50033 | ND |