Silver
East Lyme Water & Sewer Commission
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 | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-11-14 | 96187CH | ND |
| 2014-11-14 | 96188CH | ND |
| 2014-11-14 | 96189CH | ND |
| 2014-11-14 | 96190CH | ND |
| 2014-11-14 | 96191CH | ND |
| 2014-11-14 | 96192CH | ND |
| 2016-08-02 | 106406GE | ND |
| 2016-08-02 | 106407GE | ND |
| 2016-08-02 | 106408GE | ND |
| 2017-01-19 | 109314GE | ND |
| 2017-01-19 | 109315GE | ND |
| 2018-12-18 | 121900 | ND |