Silver
Manville WSC
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.
19
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-04-25 | AD33904 | ND |
| 2016-04-25 | AD33899 | ND |
| 2016-04-25 | AD33900 | ND |
| 2016-04-25 | AD33902 | ND |
| 2016-04-25 | AD33901 | ND |
| 2016-04-25 | AD33903 | ND |
| 2016-11-09 | AD57315 | ND |
| 2017-01-23 | AD65998 | ND |
| 2017-01-23 | AD65999 | ND |
| 2017-04-27 | AD81414 | ND |
| 2017-04-27 | AD81415 | ND |
| 2017-04-27 | AD81409 | ND |
| 2019-02-06 | AE53087 | ND |
| 2019-02-06 | AE53090 | ND |
| 2019-02-06 | AE53086 | ND |
| 2019-02-06 | AE53088 | ND |
| 2019-02-06 | AE53089 | ND |
| 2019-09-12 | AE83131 | ND |
| 2019-09-30 | AE85008 | ND |