Silver
Three Valleys Municipal Water District
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.
12
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2014-03-11 | 3761-002-1030 | ND |
| 2014-08-26 | 3761-004-1000 | ND |
| 2015-03-10 | 3761-002-0930 | ND |
| 2015-07-14 | 3761-004-0832 | ND |
| 2016-03-15 | 3761-002-0900 | ND |
| 2016-07-19 | 3761-004-0945 | ND |
| 2017-03-21 | 3761-002-0730 | ND |
| 2017-05-16 | 3761-004-0900 | ND |
| 2017-07-18 | 3761-004-0900 | ND |
| 2018-03-20 | 3761-002-0910 | ND |
| 2018-05-15 | 3761-004-0930 | ND |
| 2019-03-19 | 3761-002-0950 | ND |