Silver
Milwaukee Waterworks
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.
14
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 | 6 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-18 | 3085051-52,59,66 | ND |
| 2014-08-19 | 3086075-76,83,90 | ND |
| 2014-08-21 | 3088699-700,07,1 | ND |
| 2014-08-21 | 3088612-13,20,27 | ND |
| 2014-08-21 | 3088671-72,79,86 | ND |
| 2014-08-21 | 3088569-70,76,84 | ND |
| 2015-08-17 | 3302467-68,75,82 | ND |
| 2015-08-17 | 3302542-43,50,57 | ND |
| 2015-08-17 | 3302508-09,16,23 | ND |
| 2015-08-17 | 3302433-34,41,48 | ND |
| 2015-08-18 | 3303577-78,87,97 | ND |
| 2015-08-19 | 3304960,63,72,75 | ND |
| 2016-08-22 | 3528601-02 | ND |
| 2016-08-22 | 3528613-14 | ND |