Silver
Bridgeport Utilities Board
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.
7
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-30 | AC68257 | ND |
| 2015-05-06 | AD07514 | ND |
| 2016-08-03 | 1609870-1 | ND |
| 2017-07-19 | 1710065-1 | ND |
| 2018-09-05 | L1023549-01 | ND |
| 2019-05-15 | L1098997-01 | ND |
| 2019-07-31 | L1124064-01 | ND |