Silver
Hcsa- Leigh Street Plant
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.
9
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-06 | E140200888 | ND |
| 2014-02-06 | E140200890 | ND |
| 2014-02-06 | E140200889 | ND |
| 2014-03-04 | E140101012 | ND |
| 2015-03-19 | VA010-DCLS | ND |
| 2016-03-10 | E151203964 | ND |
| 2017-03-14 | E161206483 | ND |
| 2018-03-21 | 18032733-10A | ND |
| 2019-03-14 | 19032038-04A | ND |