Silver
Calhoun County Water and Fire Protection Authority
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.
10
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 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-25 | 140625054-1 | ND |
| 2016-02-19 | 160219032-3 | ND |
| 2016-02-19 | 160219032-2 | ND |
| 2016-02-19 | 160219032-1 | ND |
| 2016-12-01 | 161201075-1 | ND |
| 2017-02-22 | 170222067-1 | ND |
| 2019-02-21 | 19020671-003 | ND |
| 2019-02-21 | 19020671-002 | ND |
| 2019-02-21 | 19020671-001 | ND |
| 2019-09-30 | 20123606001_IIOC | ND |