Silver
Yorktown 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 | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-11 | 142260004 | ND |
| 2014-08-11 | 142260007 | ND |
| 2014-08-11 | 142260009 | ND |
| 2014-08-11 | 142260005 | ND |
| 2014-08-11 | 142260008 | ND |
| 2014-08-11 | 142260006 | ND |
| 2016-11-02 | Y163090002 | ND |
| 2017-08-07 | Y172220010 | ND |
| 2017-08-07 | Y172220009 | ND |
| 2017-08-07 | Y172220008 | ND |
| 2017-08-07 | Y172220007 | ND |
| 2017-08-07 | Y172220006 | ND |
| 2017-08-07 | Y172220005 | ND |
| 2017-11-13 | Y173200012 | ND |
| 2018-01-02 | Y180040036 | ND |
| 2018-05-29 | Y181510041 | ND |
| 2018-08-20 | Y182350025 | ND |
| 2018-11-19 | Y183250006 | ND |
| 2019-02-26 | Y190590035 | ND |
| 2019-05-06 | Y191290092 | ND |
| 2019-06-24 | Y191790277 | ND |
| 2019-09-17 | Y192630017 | ND |
| 2019-10-15 | Y192900003 | ND |
| 2019-11-19 | Y193250110 | ND |