Silver
Gonzales County Water Supply Corporation
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.
15
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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-20 | AC43806 | ND |
| 2014-06-05 | AC56077 | ND |
| 2015-02-04 | AC79188 | ND |
| 2015-07-22 | AD00552 | ND |
| 2016-01-19 | AD18507 | ND |
| 2016-01-19 | AD18508 | ND |
| 2016-01-19 | AD18505 | ND |
| 2016-01-19 | AD18514 | ND |
| 2017-03-13 | AD75381 | ND |
| 2018-02-08 | AE12937 | ND |
| 2018-12-12 | AE48611 | ND |
| 2019-01-09 | AE49181 | ND |
| 2019-01-09 | AE49183 | ND |
| 2019-01-09 | AE49182 | ND |
| 2019-03-05 | AE57086 | ND |