Silver
Cal-water Service Company - Marysville
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.
17
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 | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-19 | 5810-011-1320 | ND |
| 2014-10-14 | 5810-013-1318 | ND |
| 2014-11-17 | 5810-008-1318 | ND |
| 2015-01-12 | 5810-009-1329 | ND |
| 2015-01-12 | 5810-012-1414 | ND |
| 2015-04-06 | 5810-010-1310 | ND |
| 2015-08-19 | 5810-015-1053 | ND |
| 2016-02-16 | 5810-016-1429 | ND |
| 2016-03-07 | 5810-011-1306 | ND |
| 2016-12-20 | 5810-008-1305 | ND |
| 2017-03-22 | 5810-013-1401 | ND |
| 2018-01-17 | 5810-009-1400 | ND |
| 2018-04-17 | 5810-010-1316 | ND |
| 2018-05-15 | 5810-012-1433 | ND |
| 2018-08-07 | 5810-015-1355 | ND |
| 2019-02-13 | 5810-016-1035 | ND |
| 2019-03-19 | 5810-011-1316 | ND |