Silver
Abington/rockland Joint 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.
17
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | 3.00 ppb | 2 | 1 | ND - 6.00 ppb |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-11-10 | ND |
| 2014-11-10 | ND |
| 2014-11-10 | ND |
| 2015-02-11 | ND |
| 2015-02-11 | ND |
| 2015-02-11 | ND |
| 2016-08-15 | ND |
| 2016-08-15 | ND |
| 2016-08-15 | ND |
| 2017-12-04 | ND |
| 2017-12-04 | 6.00 ppb |
| 2018-11-13 | ND |
| 2018-11-13 | ND |
| 2018-11-13 | ND |
| 2019-10-04 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |