Silver
Tbw/s. Pasco Wellfield Chemical Feed 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.
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2015-04-01 | ND |
| 2015-04-07 | ND |
| 2016-04-06 | ND |
| 2016-05-10 | ND |
| 2017-04-05 | ND |
| 2017-04-18 | ND |
| 2018-04-04 | ND |
| 2018-04-09 | ND |
| 2019-04-02 | ND |
| 2019-04-03 | ND |