Silver
Santa Maria 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.
13
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-04 | 3761-004-0730 | ND |
| 2016-03-01 | 3761-013-0540 | ND |
| 2016-04-05 | 3761-014-0530 | ND |
| 2016-06-15 | 3761-006-0728 | ND |
| 2016-09-07 | 3761-009-0655 | ND |
| 2016-09-07 | 3761-010-0615 | ND |
| 2016-09-07 | 3761-011-0550 | ND |
| 2017-08-15 | 3761-012-0602 | ND |
| 2019-03-05 | 3761-013-1015 | ND |
| 2019-04-02 | 3761-014-1120 | ND |
| 2019-09-10 | 3761-009-0716 | ND |
| 2019-09-10 | 3761-010-0815 | ND |
| 2019-09-10 | 3761-011-0740 | ND |