Silver
Knights Landing Service District
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.
6
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 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-15 | CA5710004_004_004-201901150920 | ND |
| 2019-02-14 | CA5710004_003_003-201902140925 | ND |
| 2019-02-14 | CA5710004_005_005-201902140850 | ND |
| 2022-03-24 | CA5710004_005_005-202203241300 | ND |
| 2022-03-24 | CA5710004_003_003-202203241045 | ND |
| 2022-07-25 | CA5710004_004_004-202207251023 | ND |