Silver
Pine Valley Mutual Water Company
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.
16
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 | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 8 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-09 | 4790-003-1305 | ND |
| 2014-09-09 | 4790-004-1340 | ND |
| 2014-09-09 | 4790-006-1230 | ND |
| 2014-09-09 | 4790-010-1245 | ND |
| 2014-11-12 | 4790-001-1410 | ND |
| 2014-11-12 | 4790-005-1415 | ND |
| 2014-11-12 | 4790-007-1445 | ND |
| 2014-11-12 | 4790-009-1439 | ND |
| 2017-09-19 | 4790-003-0901 | ND |
| 2017-09-19 | 4790-006-0850 | ND |
| 2017-09-19 | 4790-010-0820 | ND |
| 2017-10-02 | 4790-001-0840 | ND |
| 2017-10-02 | 4790-004-0900 | ND |
| 2017-10-02 | 4790-005-0930 | ND |
| 2017-10-02 | 4790-007-0920 | ND |
| 2017-10-02 | 4790-009-0945 | ND |