Silver
Aquarion Water Company of Ct-ridgefield 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.
8
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 | 0.333 ppb | 3 | 1 | ND - 1.000 ppb |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | 0.333 ppb | 3 | 1 | ND - 1.000 ppb |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-06 | 201403209-IOC1 | ND |
| 2014-03-11 | 201403468-IOC1 | ND |
| 2014-06-18 | 201408467-IOC1 | 1.000 ppb |
| 2015-11-12 | 201516383-IOC1 | ND |
| 2015-11-12 | 201516384-IOC1 | ND |
| 2017-07-03 | 201709883-IOC1 | ND |
| 2017-07-03 | 201709879-IOC1 | 1.000 ppb |
| 2017-07-27 | 201711573-IOC1 | ND |