Silver
City Of Waterford
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 | 4 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-15 | 1610-005-1010 | ND |
| 2014-07-17 | 1610-001-1255 | ND |
| 2014-09-17 | 1610-001-0904 | ND |
| 2014-09-17 | 1610-006-0822 | ND |
| 2015-06-17 | 1610-004-0845 | ND |
| 2015-07-15 | 1610-003-1009 | ND |
| 2015-12-17 | 1120-002-0908 | ND |
| 2017-04-19 | 1120-001-1040 | ND |
| 2017-04-19 | 1120-005-0955 | ND |
| 2017-04-19 | 1120-006-0800 | ND |
| 2018-07-18 | 1120-003-1425 | ND |
| 2018-07-18 | 1120-004-1140 | ND |