Silver
City of Edinburg
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-27 | AC40257 | ND |
2014-01-27 | AC40258 | ND |
2015-02-06 | AC79623 | ND |
2015-04-08 | AC87645 | ND |
2016-01-26 | AD19980 | ND |
2016-01-26 | AD19979 | ND |
2017-01-12 | AD64633 | ND |
2017-01-12 | AD64637 | ND |
2018-01-25 | AE10429 | ND |
2018-01-25 | AE10427 | ND |
2019-02-13 | AE54276 | ND |
2019-02-13 | AE54277 | ND |