Silver
Montgomery County Regional Public Water Authority
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.
7
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 | 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 |
|---|---|---|
| 2014-08-25 | Y142400009 | ND |
| 2015-08-25 | Y152390025 | ND |
| 2016-08-29 | Y162450004 | ND |
| 2017-08-21 | Y172360025 | ND |
| 2018-09-04 | Y182500002 | ND |
| 2019-08-07 | Y192200011 | ND |
| 2019-08-26 | Y192410018 | ND |