Silver
Oxford Water Works & Sewer Board
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.
16
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-17 | 140217045-1 | ND |
| 2015-02-19 | 150219052-1 | ND |
| 2016-02-18 | 160218051-1 | ND |
| 2016-02-18 | 160218051-6 | ND |
| 2016-02-18 | 160218051-4 | ND |
| 2016-02-18 | 160218051-2 | ND |
| 2016-02-18 | 160218051-3 | ND |
| 2016-02-18 | 160218051-5 | ND |
| 2017-02-22 | 1702220054-1 | ND |
| 2018-02-22 | 180222021-1 | ND |
| 2019-02-20 | 19020643001 | ND |
| 2019-02-20 | 19020643002 | ND |
| 2019-02-20 | 19020643003 | ND |
| 2019-02-20 | 19020643004 | ND |
| 2019-11-25 | 20131921001_IIOC | ND |
| 2019-11-25 | 20131921002_IIOC | ND |