Silver
Shreveport Water System
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.
14
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 | 4 | 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 |
|---|---|---|
| 2014-07-14 | AD93513 | ND |
| 2014-07-14 | AD93513 | ND |
| 2014-07-15 | AD90592 | ND |
| 2014-07-15 | AD90592 | ND |
| 2015-03-23 | 35181011001 | ND |
| 2015-03-23 | 35181011001 | ND |
| 2016-04-12 | 35239164006 | ND |
| 2016-04-12 | 35239164006 | ND |
| 2017-04-17 | 35307223001 | ND |
| 2017-04-17 | 35307223001 | ND |
| 2018-01-08 | 35367518001 | ND |
| 2018-01-08 | 35367518001 | ND |
| 2019-02-18 | 35449627001 | ND |
| 2019-02-18 | 35449627001 | ND |