Silver
Westchester County WD #2
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.
10
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-11 | 7051461001 INS | ND |
| 2019-05-31 | 7091711001 INS | ND |
| 2020-05-08 | 70130562 INS | ND |
| 2020-11-12 | AW21843-INS | ND |
| 2021-06-04 | 70175718001-INS | ND |
| 2021-07-27 | AX14931-INS | ND |
| 2022-05-13 | 70214739001-INS | ND |
| 2022-09-21 | AY17010-INS | ND |
| 2023-05-05 | 70255449001-INS | ND |
| 2023-07-27 | AZ13680-INS | ND |