Silver
Jaffrey Water Works
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.
8
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-17 | 15030131-001 | ND |
| 2015-04-20 | 150400199-003 | ND |
| 2016-05-16 | 16050230-001 | ND |
| 2016-05-16 | 16050232-001 | ND |
| 2018-03-12 | 18030094-001 | ND |
| 2018-05-14 | 18050172-001 | ND |
| 2019-05-06 | 19050073-001 | ND |
| 2019-05-06 | 19050075-001 | ND |