Silver
Garden Heights 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.
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 | 4 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 31.5 ppb | 2 | 2 | 17.0 ppb - 46.0 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-23 | AE20725 | ND |
| 2018-02-23 | AE20728 | ND |
| 2018-02-23 | AE20725 | ND |
| 2018-02-23 | AE20728 | ND |
| 2021-01-04 | 35602575001 | ND |
| 2021-01-04 | 35602575002 | ND |
| 2021-01-25 | B2100278-001 | ND |
| 2021-01-25 | B2100278-002 | ND |
| 2023-11-06 | B2304835-002 | 46.0 ppb |
| 2023-11-06 | B2304835-003 | 17.0 ppb |