Silver
City of Red Bluff
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.
24
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 | 12 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 12 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-04-24 | 5867-001-0820 | ND |
| 2014-04-24 | 5867-014-0910 | ND |
| 2014-04-24 | 5867-012-0740 | ND |
| 2014-04-24 | 5867-011-0920 | ND |
| 2014-04-24 | 5867-010-0845 | ND |
| 2014-04-24 | 5867-008-0750 | ND |
| 2014-04-24 | 5867-007-0815 | ND |
| 2014-04-24 | 5867-005-0900 | ND |
| 2014-04-24 | 5867-004-0805 | ND |
| 2014-04-24 | 5867-003-0830 | ND |
| 2014-04-24 | 5867-002-0825 | ND |
| 2014-12-05 | 5867-009-0830 | ND |
| 2016-03-31 | 5867-015-0900 | ND |
| 2016-03-31 | 5867-001-0800 | ND |
| 2016-03-31 | 5867-012-0920 | ND |
| 2016-03-31 | 5867-011-1015 | ND |
| 2016-03-31 | 5867-010-1050 | ND |
| 2016-03-31 | 5867-009-1000 | ND |
| 2016-03-31 | 5867-008-0910 | ND |
| 2016-03-31 | 5867-007-0830 | ND |
| 2016-03-31 | 5867-005-1040 | ND |
| 2016-03-31 | 5867-004-0840 | ND |
| 2016-03-31 | 5867-003-0820 | ND |
| 2016-03-31 | 5867-002-0815 | ND |