Silver
Markridge Park Subdivision Water System
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | 11.0 ppb | 4 | 1 | ND - 44.0 ppb |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-12 | AE21852 | ND |
| 2018-06-12 | AE21855 | ND |
| 2018-06-12 | AE21852 | ND |
| 2018-06-12 | AE21855 | ND |
| 2021-03-01 | B2100939-001 | ND |
| 2021-03-01 | B2100939-002 | ND |
| 2021-04-05 | B2101545-001 | 44.0 ppb |
| 2021-04-05 | B2101545-002 | ND |