Silver
Monterey Park 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-21 | 9588-002-0945 | ND |
2015-08-25 | 9588-038-1035 | ND |
2015-11-10 | 9588-006-1100 | ND |
2016-02-18 | 9588-010-1030 | ND |
2016-02-18 | 9588-013-1045 | ND |
2016-08-11 | 9588-001-0905 | ND |
2016-08-11 | 9588-011-0930 | ND |
2017-08-15 | 9588-002-0915 | ND |
2018-08-09 | 9588-038-1005 | ND |
2018-11-15 | 9588-006-0925 | ND |
2019-02-28 | 9588-010-1220 | ND |
2019-05-20 | 9588-013-0945 | ND |
2019-08-27 | 9588-001-1010 | ND |
2019-08-27 | 9588-011-0920 | ND |