Silver
CTWC - Naugatuck Region-Central System
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.
13
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 | 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 |
|---|---|---|
| 2018-04-10 | CA17352IOC1 | ND |
| 2018-06-11 | CA67844IOC1 | ND |
| 2018-11-14 | IOCR 200512736 | ND |
| 2019-01-16 | IOC1 200518936 | ND |
| 2019-01-18 | IOCR 200519147 | ND |
| 2020-01-13 | IOC1 200562694 | ND |
| 2020-01-13 | IOCR 200562691 | ND |
| 2021-04-06 | IOC1 200611960 | ND |
| 2021-04-06 | IOCR 200611959 | ND |
| 2022-02-14 | CK66672 | ND |
| 2022-02-14 | CK66670 | ND |
| 2023-01-16 | CN24828 | ND |
| 2023-01-16 | CN24826 | ND |