Silver
SBNDO County Service Area 70J
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-10 | 3761-001-1025 | ND |
| 2014-01-10 | 3761-002-1000 | ND |
| 2014-01-10 | 3761-003-0925 | ND |
| 2014-01-16 | 3761-005-1400 | ND |
| 2014-02-12 | 3761-004-1040 | ND |
| 2016-08-04 | 3761-005-1350 | ND |
| 2017-01-04 | 3761-001-1305 | ND |
| 2017-01-04 | 3761-002-1235 | ND |
| 2017-01-04 | 3761-003-1110 | ND |
| 2017-01-04 | 3761-004-1150 | ND |
| 2017-01-04 | 3761-005-1010 | ND |