Silver
Bridgestone MUD
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-14 | AC42999 | ND |
| 2016-02-19 | AD24670 | ND |
| 2017-01-27 | AD67460 | ND |
| 2017-01-27 | AD67459 | ND |
| 2017-04-28 | AD81722 | ND |
| 2018-03-02 | AE16568 | ND |
| 2019-01-11 | AE49486 | ND |
| 2019-02-22 | AE55583 | ND |