Silver
Orangewood 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.
11
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 0.0667 ppb | 6 | 3 | ND - 0.200 ppb |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 1.60 ppb | 5 | 1 | ND - 8.00 ppb |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2020-06-03 | 0.1000 ppb |
| 2020-06-03 | 0.1000 ppb |
| 2020-06-03 | ND |
| 2020-06-04 | ND |
| 2020-06-04 | 0.200 ppb |
| 2020-06-04 | ND |
| 2023-05-08 | ND |
| 2023-05-08 | ND |
| 2023-05-08 | ND |
| 2023-05-08 | ND |
| 2023-05-08 | 8.00 ppb |