Silver
Hampstead Area Water
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.
24
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 | 2 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-12 | 3406-1023 | ND |
| 2014-06-12 | 3406-1036 | ND |
| 2015-02-18 | 3502-995 | ND |
| 2015-04-21 | 3504-2170 | ND |
| 2015-04-21 | 3504-2196 | ND |
| 2015-04-21 | 3504-2190 | ND |
| 2016-04-07 | 3604-762-1 | ND |
| 2016-04-07 | 3604-766-1 | ND |
| 2016-04-07 | 3604-768-1 | ND |
| 2016-04-07 | 3604-776-1 | ND |
| 2016-10-05 | 3610-409-1 | ND |
| 2016-10-05 | 3610-412-1 | ND |
| 2017-04-12 | 3704-1224-1 | ND |
| 2017-04-12 | 3704-1227-1 | ND |
| 2017-08-09 | 3708-973-1 | ND |
| 2017-09-26 | 3709-2469-1 | ND |
| 2018-02-21 | 118021713.01 | ND |
| 2018-05-23 | 118052856.01 | ND |
| 2018-05-23 | 118052860.01 | ND |
| 2018-08-16 | 1180818291 | ND |
| 2019-05-15 | 119051897.01 | ND |
| 2019-05-20 | 119052489.01 | ND |
| 2019-05-21 | 119052540.01 | ND |
| 2019-10-08 | 119101005.01 | ND |