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.
15
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-06-10 | B1902450-001 | ND |
| 2019-06-10 | B1902450-001 | ND |
| 2020-06-10 | B2002812-001 | ND |
| 2020-06-10 | B2002812-002 | ND |
| 2020-06-10 | B2002812-003 | ND |
| 2020-06-10 | B2002812-004 | ND |
| 2020-10-05 | B2005237-001 | ND |
| 2020-10-05 | B2005237-002 | ND |
| 2022-07-25 | B2203466-001 | ND |
| 2023-03-27 | B2301337-001 | ND |
| 2023-03-27 | B2301337-002 | ND |
| 2023-03-27 | B2301338-001 | ND |
| 2023-03-27 | B2301338-002 | ND |
| 2023-07-10 | B2302775-001 | ND |
| 2023-07-10 | B2302775-002 | ND |