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.
12
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 |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 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 |
| 2020-09-10 | 20090382-001 | ND |
| 2021-12-09 | 21120341-001 | ND |
| 2021-12-09 | 21120341-002 | ND |
| 2021-12-09 | 21120341-003 | ND |
| 2022-05-12 | 22050451-002 | ND |
| 2022-07-07 | 22070169-004 | ND |
| 2023-05-10 | 23050343-003 | ND |