Silver
Noel Heights-cal Water Service (puc)
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 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-09 | CA4900785_001_001-201805091030 | ND |
| 2019-05-20 | CA4900785_001_001-201905201215 | ND |
| 2020-05-26 | CA4900785_001_001-202005260910 | ND |
| 2021-05-05 | CA4900785_001_001-202105051330 | ND |
| 2022-05-09 | CA4900785_001_001-202205091040 | ND |
| 2023-05-15 | CA4900785_001_001-202305151055 | ND |