Silver
Thousand Trails San Benito Preserve
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.
5
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-13 | CA3500505_001_001-201803131128 | ND |
| 2018-03-13 | CA3500505_002_002-201803130831 | ND |
| 2018-06-21 | CA3500505_005_005-201806211321 | ND |
| 2021-04-19 | CA3500505_001_001-202104190847 | ND |
| 2021-04-19 | CA3500505_005_005-202104191219 | ND |