Silver
City of Denham Springs 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.
28
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 | 14 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 10 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-17 | AD92277 | ND |
| 2014-06-17 | AD92267 | ND |
| 2014-06-17 | AD92262 | ND |
| 2014-06-17 | AD92272 | ND |
| 2014-06-17 | AD92277 | ND |
| 2014-06-17 | AD92282 | ND |
| 2014-06-17 | AD92272 | ND |
| 2014-06-17 | AD92267 | ND |
| 2014-06-17 | AD92262 | ND |
| 2014-06-17 | AD92282 | ND |
| 2014-06-24 | AD92607 | ND |
| 2014-06-24 | AD92607 | ND |
| 2014-12-08 | AE00288 | ND |
| 2014-12-08 | AE00288 | ND |
| 2015-09-16 | 35207899001 | ND |
| 2015-09-16 | 35207899001 | ND |
| 2017-07-17 | AE15708 | ND |
| 2017-07-17 | AE15704 | ND |
| 2017-07-17 | AE15696 | ND |
| 2017-07-17 | AE15692 | ND |
| 2017-07-17 | AE15696 | ND |
| 2017-07-17 | AE15704 | ND |
| 2017-07-17 | AE15708 | ND |
| 2017-07-17 | AE15692 | ND |
| 2017-09-25 | AE18611 | ND |
| 2017-09-25 | AE18611 | ND |
| 2018-01-31 | AE20522 | ND |
| 2018-01-31 | AE20522 | ND |