Silver
Heather Glen Community 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.
4
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 | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-17 | CA3100038_001_001-201909170730 | ND |
| 2020-09-09 | CA3100038_001_001-202009090850 | ND |
| 2021-09-14 | CA3100038_001_001-202109140740 | ND |
| 2023-12-28 | CA3100038_001_001-202312280900 | ND |