Silver
Zone 2 Water System Inc.
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 |
|---|---|---|---|---|
| 2018 | ND | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 18.7 ppb | 3 | 3 | 16.0 ppb - 23.0 ppb |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-03 | 35390192001 | ND |
| 2018-05-03 | 35390192002 | ND |
| 2018-05-03 | 35390192003 | ND |
| 2018-05-03 | 35390192001 | ND |
| 2018-05-03 | 35390192002 | ND |
| 2018-05-03 | 35390192003 | ND |
| 2021-05-19 | B2102306-001 | 17.0 ppb |
| 2021-05-19 | B2102306-002 | 16.0 ppb |
| 2021-05-19 | B2102306-003 | 23.0 ppb |