Silver
City of Hammond 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.
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 10 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-28 | 35199975005 | ND |
| 2015-07-28 | 35199975004 | ND |
| 2015-07-28 | 35199975003 | ND |
| 2015-07-28 | 35199975002 | ND |
| 2015-07-28 | 35199975001 | ND |
| 2015-07-28 | 35199975002 | ND |
| 2015-07-28 | 35199975003 | ND |
| 2015-07-28 | 35199975004 | ND |
| 2015-07-28 | 35199975005 | ND |
| 2015-07-28 | 35199975001 | ND |
| 2018-02-19 | AE20678 | ND |
| 2018-02-19 | AE20687 | ND |
| 2018-02-19 | AE20684 | ND |
| 2018-02-19 | AE20681 | ND |
| 2018-02-19 | AE20678 | ND |
| 2018-02-19 | AE20687 | ND |
| 2018-02-19 | AE20684 | ND |
| 2018-02-19 | AE20681 | ND |
| 2019-07-23 | B1903189-001 | ND |
| 2019-07-23 | B1903189-001 | ND |