Silver
Westchester 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.
13
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-17 | AQ04608INS | ND |
| 2014-10-28 | AQ22297INS | ND |
| 2014-10-28 | AQ22296INS | ND |
| 2015-10-27 | AR23146INS | ND |
| 2015-10-27 | AR23147INS | ND |
| 2016-10-25 | AS22857INS | ND |
| 2016-10-25 | AS22858INS | ND |
| 2017-10-30 | AT22854INS | ND |
| 2017-10-30 | AT22855INS | ND |
| 2018-10-24 | AU23137INS | ND |
| 2018-10-24 | AU23139INS | ND |
| 2019-10-21 | AV22256INS | ND |
| 2019-10-21 | AV22257INS | ND |