Silver
South Gate Water Department
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.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-16 | 9588-016-1040 | ND |
| 2014-04-17 | 9588-014-1325 | ND |
| 2015-01-08 | 9588-008-1055 | ND |
| 2015-04-09 | 9588-007-1124 | ND |
| 2016-04-14 | 9588-009-1101 | ND |
| 2016-04-14 | 9588-024-0952 | ND |
| 2017-01-12 | 9588-016-1020 | ND |
| 2017-04-12 | 9588-014-1222 | ND |
| 2018-03-29 | 9588-008-0923 | ND |
| 2018-04-25 | 9588-007-1004 | ND |
| 2018-04-25 | 9588-008-1020 | ND |
| 2019-04-10 | 9588-009-1145 | ND |
| 2019-04-10 | 9588-024-1115 | ND |
| 2019-11-20 | 9588-008-1045 | ND |