Silver
SBDNO County Service Area 64
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.
11
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 | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-14 | 3761-005-1430 | ND |
| 2015-07-30 | 3761-006-1525 | ND |
| 2015-07-31 | 3761-006-1500 | ND |
| 2016-01-04 | 3761-001-1235 | ND |
| 2016-01-04 | 3761-002-1135 | ND |
| 2016-01-04 | 3761-004-1105 | ND |
| 2017-01-03 | 3761-005-1015 | ND |
| 2019-01-07 | 3761-001-1110 | ND |
| 2019-01-07 | 3761-002-1010 | ND |
| 2019-01-17 | 3761-006-0950 | ND |
| 2019-01-29 | 3761-004-1030 | ND |