Silver
Rubidoux Community SD
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.
32
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 | ND | 6 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-05 | 4790-015-0800 | ND |
| 2014-08-05 | 4790-014-0815 | ND |
| 2014-08-05 | 4790-013-0845 | ND |
| 2014-08-05 | 4790-006-1050 | ND |
| 2014-08-05 | 4790-004-1015 | ND |
| 2014-08-05 | 4790-002-0730 | ND |
| 2015-08-18 | 4790-002-0935 | ND |
| 2015-08-18 | 4790-015-0905 | ND |
| 2015-08-18 | 4790-014-0915 | ND |
| 2015-08-18 | 4790-013-0850 | ND |
| 2015-08-19 | 4790-004-1010 | ND |
| 2015-08-19 | 4790-006-1005 | ND |
| 2016-08-09 | 4790-002-1030 | ND |
| 2016-08-09 | 4790-014-1100 | ND |
| 2016-08-09 | 4790-013-1045 | ND |
| 2016-08-09 | 4790-004-0900 | ND |
| 2016-08-09 | 4790-006-1230 | ND |
| 2017-08-01 | 4790-002-1050 | ND |
| 2017-08-01 | 4790-004-1030 | ND |
| 2017-08-01 | 4790-014-1115 | ND |
| 2017-08-01 | 4790-006-1025 | ND |
| 2017-08-01 | 4790-013-1100 | ND |
| 2018-08-16 | 4790-006-1100 | ND |
| 2018-08-16 | 4790-014-0840 | ND |
| 2018-08-16 | 4790-013-0745 | ND |
| 2018-08-16 | 4790-002-1140 | ND |
| 2019-03-28 | 4790-029-1315 | ND |
| 2019-08-07 | 4790-013-1000 | ND |
| 2019-08-07 | 4790-028-1020 | ND |
| 2019-08-07 | 4790-002-1030 | ND |
| 2019-08-13 | 4790-006-1145 | ND |
| 2019-09-26 | 4790-002-1420 | ND |