Silver
Valley of The Moon 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.
12
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 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-12 | 5810-001-1027 | ND |
| 2014-02-12 | 5810-002-0857 | ND |
| 2014-02-12 | 5810-003-0752 | ND |
| 2014-02-12 | 5810-004-0927 | ND |
| 2014-02-12 | 5810-005-0954 | ND |
| 2017-02-15 | 5810-001-0830 | ND |
| 2017-02-15 | 5810-002-0800 | ND |
| 2017-02-15 | 5810-003-0730 | ND |
| 2017-02-15 | 5810-004-0920 | ND |
| 2017-02-15 | 5810-005-0900 | ND |
| 2018-01-11 | 5810-019-1232 | ND |
| 2018-01-11 | 5810-024-1232 | ND |