Silver
Paramount Water Department
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.
11
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 | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-29 | 9588-016-0940 | ND |
| 2014-10-29 | 9588-015-0950 | ND |
| 2014-10-29 | 9588-024-0958 | ND |
| 2015-07-16 | 9588-025-1015 | ND |
| 2015-07-16 | 9588-027-1023 | ND |
| 2017-07-03 | 9588-016-1012 | ND |
| 2017-10-02 | 9588-015-1050 | ND |
| 2017-10-02 | 9588-024-1101 | ND |
| 2018-07-12 | 9588-025-1038 | ND |
| 2018-07-12 | 9588-027-1045 | ND |
| 2019-07-08 | 9588-016-1030 | ND |