Silver
City of Georgetown
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.
20
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-26 | AC44683 | ND |
| 2014-02-26 | AC44687 | ND |
| 2014-05-06 | AC53129 | ND |
| 2015-03-05 | AC82826 | ND |
| 2015-03-05 | AC82836 | ND |
| 2015-03-05 | AC82821 | ND |
| 2016-02-09 | AD22873 | ND |
| 2016-02-09 | AD22874 | ND |
| 2016-02-09 | AD22875 | ND |
| 2016-04-21 | AD33706 | ND |
| 2017-01-23 | AD65996 | ND |
| 2017-01-23 | AD65997 | ND |
| 2017-01-23 | AD66000 | ND |
| 2018-02-07 | AE12670 | ND |
| 2018-02-07 | AE12671 | ND |
| 2018-02-07 | AE12669 | ND |
| 2018-10-15 | AE43370 | ND |
| 2019-01-25 | AE51419 | ND |
| 2019-01-25 | AE51421 | ND |
| 2019-01-25 | AE51420 | ND |