Silver
Mulberry, City of
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.
8
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 | N/A | 0 | 0 | N/A |
| 2020 | 1.000 ppb | 2 | 2 | 1.000 ppb |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 1.50 ppb | 4 | 4 | 1.000 ppb - 2.00 ppb |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2018-02-14 | ND |
| 2018-02-14 | ND |
| 2020-03-11 | 1.000 ppb |
| 2020-03-11 | 1.000 ppb |
| 2023-04-13 | 2.00 ppb |
| 2023-04-13 | 2.00 ppb |
| 2023-06-08 | 1.000 ppb |
| 2023-06-08 | 1.000 ppb |