Silver
Newton Water & Sewer Utility
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.
7
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 | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-11-14 | 381114106.2 | ND |
| 2018-12-12 | 381212102.1 | ND |
| 2019-11-20 | 391120128.2 | ND |
| 2020-11-18 | 201118074-04 | ND |
| 2021-11-17 | 211117045-08 | ND |
| 2022-11-22 | 221122056-01 | ND |
| 2023-11-15 | 231115075-01 | ND |