Silver
City of Auburn
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.
27
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 | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 7 | 0 | ND |
| 2022 | ND | 7 | 0 | ND |
| 2023 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-15 | ND | |
| 2018-08-15 | ND | |
| 2018-08-15 | ND | |
| 2018-08-15 | ND | |
| 2018-08-15 | ND | |
| 2018-08-15 | ND | |
| 2021-08-04 | 4216833 | ND |
| 2021-08-04 | 4216833 | ND |
| 2021-08-04 | 4159330 | ND |
| 2021-08-04 | 4159328 | ND |
| 2021-08-04 | 4173039 | ND |
| 2021-08-04 | 4173037 | ND |
| 2021-08-04 | 4173036 | ND |
| 2022-08-04 | 4366174 | ND |
| 2022-08-04 | 4366173 | ND |
| 2022-08-04 | 4364199 | ND |
| 2022-08-04 | 4364200 | ND |
| 2022-08-04 | 4364200 | ND |
| 2022-08-04 | 4364198 | ND |
| 2022-08-04 | 4364193 | ND |
| 2023-08-03 | 4511146 | ND |
| 2023-08-03 | 4511136 | ND |
| 2023-08-03 | 4511128 | ND |
| 2023-08-03 | 4511142 | ND |
| 2023-08-03 | 4511142 | ND |
| 2023-08-09 | 4511064 | ND |
| 2023-08-09 | 4511063 | ND |