Silver
South Norwalk Electric and 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.
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-10 | 18051007C-IOC1 | ND |
| 2018-05-10 | 18051001C-IOCR | ND |
| 2019-05-09 | 19050907C-IOC1 | ND |
| 2019-05-09 | 19050901C-IOCR | ND |
| 2020-05-14 | 20051407C-IOC1 | ND |
| 2020-05-14 | 20051401C-IOCR | ND |
| 2021-05-13 | 21051307C-IOC1 | ND |
| 2021-05-13 | 21051301C-IOCR | ND |
| 2022-05-12 | 22051207C-IOC1 | ND |
| 2022-05-12 | 22051201C-IOCR | ND |
| 2023-05-17 | 23051707C-IOC1 | ND |
| 2023-05-17 | 23051701C-IOCR | ND |