Silver
Joshua Basin Water 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.
15
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 | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-10 | CA3610025_008_008-201805100600 | ND |
| 2018-11-05 | CA3610025_009_009-201811050530 | ND |
| 2018-11-05 | CA3610025_005_005-201811050500 | ND |
| 2019-02-11 | CA3610025_010_010-201902110730 | ND |
| 2019-02-11 | CA3610025_011_011-201902110815 | ND |
| 2020-03-24 | CA3610025_005_005-202003240500 | ND |
| 2020-03-24 | CA3610025_009_009-202003240515 | ND |
| 2020-11-17 | CA3610025_009_009-202011170800 | ND |
| 2020-11-17 | CA3610025_010_010-202011171000 | ND |
| 2020-11-17 | CA3610025_011_011-202011170930 | ND |
| 2020-11-17 | CA3610025_005_005-202011170730 | ND |
| 2023-11-07 | CA3610025_005_005-202311070631 | ND |
| 2023-11-07 | CA3610025_009_009-202311070828 | ND |
| 2023-11-07 | CA3610025_010_010-202311070710 | ND |
| 2023-11-07 | CA3610025_011_011-202311070928 | ND |