Silver
City of Shenandoah
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2016-06-21 | AD41286 | ND |
2016-06-21 | AD41287 | ND |
2017-03-13 | AD74581 | ND |
2017-03-13 | AD74594 | ND |
2019-06-20 | AE71421 | ND |
2019-06-20 | AE71422 | ND |
2019-10-24 | AE87521 | ND |