Silver
Del Dios Mutual Water Company
NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for silver. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).
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.
Samples
Samples exceeding legal limit (MCL)
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 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for silver. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).
| Date | Lab ID | Result |
|---|