Silver
Callaway 2 Water District
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.
16
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 8 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 8 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-09 | AC42226 | ND |
| 2015-03-09 | AC42227 | ND |
| 2015-03-09 | AC42228 | ND |
| 2015-03-09 | AC42224 | ND |
| 2015-03-09 | AC42225 | ND |
| 2015-03-09 | AC42222 | ND |
| 2015-03-09 | AC42223 | ND |
| 2015-03-09 | AC42221 | ND |
| 2018-02-22 | AD14494 | ND |
| 2018-02-22 | AD14495 | ND |
| 2018-02-22 | AD14496 | ND |
| 2018-02-22 | AD14497 | ND |
| 2018-02-22 | AD14498 | ND |
| 2018-02-22 | AD14499 | ND |
| 2018-02-22 | AD14500 | ND |
| 2018-02-22 | AD14501 | ND |