Silver
Water Works District #1 of Vermilion
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.
26
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 | ND | 4 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 10 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-28 | AD94318 | ND |
| 2014-07-28 | AD94313 | ND |
| 2014-07-28 | AD94318 | ND |
| 2014-07-28 | AD94313 | ND |
| 2015-01-05 | AE00765 | ND |
| 2015-01-05 | AE00755 | ND |
| 2015-01-05 | AE00760 | ND |
| 2015-01-05 | AE00765 | ND |
| 2015-01-05 | AE00770 | ND |
| 2015-01-05 | AE00760 | ND |
| 2015-01-05 | AE00755 | ND |
| 2015-01-05 | AE00770 | ND |
| 2016-08-08 | 35259258003 | ND |
| 2016-08-08 | 35259258003 | ND |
| 2017-07-10 | AE15518 | ND |
| 2017-07-10 | AE15514 | ND |
| 2017-07-10 | AE15514 | ND |
| 2017-07-10 | AE15518 | ND |
| 2017-11-27 | AE20035 | ND |
| 2017-11-27 | AE20043 | ND |
| 2017-11-27 | AE20039 | ND |
| 2017-11-27 | AE20035 | ND |
| 2017-11-27 | AE20043 | ND |
| 2017-11-27 | AE20039 | ND |
| 2019-06-10 | B1902450-001 | ND |
| 2019-06-10 | B1902450-001 | ND |