Silver
Mount Kisco Water Department
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.
28
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 | 6 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | 0.333 ppb | 6 | 2 | ND - 1.000 ppb |
| 2023 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-28 | 420-138864-1-INS | ND |
| 2018-06-28 | 420-138864-2-INS | ND |
| 2019-10-24 | 420-162378-2-INS | ND |
| 2019-10-24 | 420-162378-1-INS | ND |
| 2020-04-23 | AW07614-INS | ND |
| 2020-04-23 | AW07618-INS | ND |
| 2020-04-23 | AW07616-INS | ND |
| 2020-08-28 | 420-179605-2-INS | ND |
| 2020-08-28 | 420-179605-1-INS | ND |
| 2020-10-05 | AW19196-INS | ND |
| 2021-02-17 | AX03237-INS | ND |
| 2021-06-22 | 420-200400-2-INS | ND |
| 2021-06-22 | 420-200400-1-INS | ND |
| 2021-08-03 | AX15584-INS | ND |
| 2021-08-03 | AX15580-INS | ND |
| 2021-08-03 | AX15582-INS | ND |
| 2022-03-10 | AY04233-INS | ND |
| 2022-06-16 | 420-226818-2-INS | 1.000 ppb |
| 2022-06-16 | 420-226818-1-INS | 1.000 ppb |
| 2022-09-13 | AY16360-INS | ND |
| 2022-09-13 | AY16358-INS | ND |
| 2022-09-13 | AY16356-INS | ND |
| 2023-01-24 | AZ01477-INS | ND |
| 2023-05-10 | AZ08476-INS | ND |
| 2023-05-10 | AZ08475-INS | ND |
| 2023-08-16 | AZ15166-INS | ND |
| 2023-08-16 | AZ15164-INS | ND |
| 2023-08-16 | AZ15162-INS | ND |