Silver
Twin Valley Inc.
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.
9
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 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-12-29 | 1326-002-1406 | ND |
| 2014-12-29 | 1326-003-1410 | ND |
| 2014-12-29 | 1326-004-1415 | ND |
| 2014-12-29 | 1326-005-1420 | ND |
| 2014-12-29 | 1326-006-1424 | ND |
| 2018-12-26 | 2385-002-1000 | ND |
| 2018-12-26 | 2385-003-1010 | ND |
| 2018-12-26 | 2385-005-1020 | ND |
| 2018-12-26 | 2385-006-1030 | ND |