Silver
South Montebello Irrigation 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-12-22 | 2706-007-0845 | ND |
2016-08-25 | 9588-003-1000 | ND |
2016-08-25 | 9588-005-0935 | ND |
2016-08-25 | 9588-009-1020 | ND |
2017-08-30 | 9588-007-1035 | ND |
2019-08-05 | 9588-003-1025 | ND |
2019-08-05 | 9588-005-1000 | ND |
2019-08-15 | 9588-009-1140 | ND |