Silver
Devens Massdevelopment
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.
16
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 | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2018-05-17 | ND |
| 2018-05-17 | ND |
| 2019-06-05 | ND |
| 2019-06-05 | ND |
| 2020-08-11 | ND |
| 2020-08-11 | ND |
| 2020-08-11 | ND |
| 2021-05-26 | ND |
| 2021-05-26 | ND |
| 2021-05-26 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-12-14 | ND |