Silver
Solano Irrigation District - Pleasant Hills Ranch
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-13 | 5810-002-1135 | ND |
| 2016-03-15 | 5810-002-0910 | ND |
| 2018-05-10 | 5810-004-1015 | ND |
| 2018-05-10 | 5810-005-1000 | ND |
| 2018-08-23 | 5810-004-0920 | ND |
| 2018-08-23 | 5810-005-0945 | ND |
| 2018-11-15 | 5810-004-1120 | ND |
| 2018-11-15 | 5810-005-1110 | ND |
| 2019-03-12 | 5810-002-0905 | ND |
| 2019-03-18 | 5810-001-1000 | ND |
| 2019-03-18 | 5810-005-1000 | ND |