Silver
Ely Municipal Water Department
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.
15
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 | 1 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-07 | 1410234-004 | ND |
| 2015-03-11 | 1503401-002 | ND |
| 2015-08-06 | 1508181-004 | ND |
| 2015-08-06 | 1508181-005 | ND |
| 2016-09-08 | 1609254-007 | ND |
| 2016-09-08 | 1609254-006 | ND |
| 2016-09-08 | 1609254-003 | ND |
| 2016-09-08 | 1609254-002 | ND |
| 2016-09-08 | 1609254-004 | ND |
| 2017-09-14 | 1709382-007 | ND |
| 2018-11-08 | 18110223-002 | ND |
| 2018-11-08 | 18110223-005 | ND |
| 2018-11-08 | 18110223-007 | ND |
| 2019-11-14 | 19110404-002 | ND |
| 2019-11-14 | 19110404-003 | ND |