Silver
Yonkers City
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.
20
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 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 |
|---|---|---|
| 2014-03-20 | 14.4354 INS | ND |
| 2014-03-20 | 14-2779 INS | ND |
| 2014-03-20 | 14-4424 INS | ND |
| 2014-03-20 | 14-4423 INS | ND |
| 2016-06-22 | 16-8291 INS | ND |
| 2016-06-22 | 16-8484 INS | ND |
| 2016-06-22 | 16-8292 INS | ND |
| 2016-06-27 | 16-8485 INS | ND |
| 2017-03-07 | 17-2237-INS | ND |
| 2017-03-07 | 17-2254-INS | ND |
| 2017-03-07 | 17-2256-INS | ND |
| 2017-03-07 | 17-2255-INS | ND |
| 2018-05-15 | 18-5003-INS | ND |
| 2018-05-15 | 18-5024-INS | ND |
| 2018-05-15 | 18-5027-INS | ND |
| 2018-05-29 | 18-5551-INS | ND |
| 2019-05-16 | 19-5075 INS | ND |
| 2019-05-16 | 19-5076 INS | ND |
| 2019-05-16 | 19-5073 INS | ND |
| 2019-05-16 | 19-5074 INS | ND |