Silver
Rancheritos Mutual Water Company
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.
7
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 | 3 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-02-18 | CA3600200_003_003-201902181030 | ND |
| 2019-08-19 | CA3600200_001_001-201908190930 | ND |
| 2019-08-19 | CA3600200_002_002-201908191000 | ND |
| 2020-10-13 | CA3600200_002_002-202010131255 | ND |
| 2023-01-23 | CA3600200_003_003-202301231148 | ND |
| 2023-01-24 | CA3600200_002_002-202301241117 | ND |
| 2023-08-07 | CA3600200_001_001-202308071145 | ND |