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.
16
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-15 | 513IOC1 | ND |
| 2014-02-26 | 2325IOC1 | ND |
| 2015-05-19 | BJ18945IOC1 | ND |
| 2015-05-27 | BJ22143IOC1 | ND |
| 2015-11-30 | BK28941IOCR | ND |
| 2016-03-09 | BK76130IOC1 | ND |
| 2016-03-14 | BK78158IOC1 | ND |
| 2016-05-23 | BN37340IOCR | ND |
| 2017-03-13 | BX86686IOC1 | ND |
| 2017-03-13 | BX86685IOCR | ND |
| 2017-05-23 | BY28091IOC1 | ND |
| 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 |