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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-07 | 14050701C-IOCR | ND |
| 2014-05-07 | 14050707C-IOC1 | ND |
| 2015-05-06 | 15050601C-IOCR | ND |
| 2015-05-06 | 15050607C-IOC1 | ND |
| 2016-05-11 | 16051107C-IOC1 | ND |
| 2016-05-11 | 16051101C-IOCR | ND |
| 2017-05-02 | 17050207C-IOC1 | ND |
| 2017-05-02 | 17050201C-IOCR | ND |
| 2018-05-10 | 18051007C-IOC1 | ND |
| 2018-05-10 | 18051001C-IOCR | ND |
| 2019-05-09 | 19050907C-IOC1 | ND |
| 2019-05-09 | 19050901C-IOCR | ND |