Silver
Carmichael 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.
20
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 | 4 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-20 | 5810-023-0932 | ND |
| 2014-02-20 | 5810-022-0953 | ND |
| 2014-06-11 | 5810-016-0918 | ND |
| 2014-08-20 | 5810-016-0840 | ND |
| 2015-03-12 | 5810-022-0916 | ND |
| 2015-03-12 | 5810-023-0835 | ND |
| 2015-06-04 | 5810-009-1108 | ND |
| 2015-06-04 | 5810-020-0921 | ND |
| 2015-06-04 | 5810-021-1146 | ND |
| 2015-06-04 | 5810-006-1039 | ND |
| 2016-03-10 | 5810-022-0905 | ND |
| 2016-03-10 | 5810-023-0920 | ND |
| 2017-03-21 | 5810-022-1100 | ND |
| 2017-03-21 | 5810-023-1040 | ND |
| 2017-06-01 | 5810-021-0947 | ND |
| 2017-06-01 | 5810-020-1130 | ND |
| 2017-06-01 | 5810-016-1220 | ND |
| 2017-06-01 | 5810-009-1015 | ND |
| 2017-06-01 | 5810-006-1051 | ND |
| 2019-03-14 | 5810-022-0850 | ND |