Silver
City Of Modesto - Del Rio
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.
9
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 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 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 |
|---|---|---|
| 2018-05-02 | CA5010029_004_004-201805020835 | ND |
| 2018-05-14 | CA5010029_010_010-201805140830 | ND |
| 2018-08-01 | CA5010029_002_002-201808011242 | ND |
| 2020-05-06 | CA5010029_001_001-202005061150 | ND |
| 2020-05-13 | CA5010029_010_010-202005131047 | ND |
| 2021-05-04 | CA5010029_010_010-202105040910 | ND |
| 2021-05-05 | CA5010029_004_004-202105051055 | ND |
| 2021-05-05 | CA5010029_002_002-202105050950 | ND |
| 2023-05-03 | CA5010029_001_001-202305030820 | ND |