Silver
Old Egypt Subdivision
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.
10
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 | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-14 | AC59493 | ND |
| 2014-07-14 | AC59492 | ND |
| 2014-08-13 | AC63382 | ND |
| 2014-08-13 | AC63375 | ND |
| 2015-05-05 | AC90449 | ND |
| 2016-02-17 | AD23835 | ND |
| 2017-07-26 | AD90756 | ND |
| 2018-04-26 | AE24071 | ND |
| 2019-04-16 | AE62474 | ND |
| 2019-04-16 | AE62473 | ND |