Silver
City of Mission
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.
12
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 | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-20 | AC47793 | ND |
| 2014-05-05 | AC52837 | ND |
| 2015-02-05 | AC79411 | ND |
| 2015-05-06 | AC90667 | ND |
| 2016-02-02 | AD21366 | ND |
| 2016-02-02 | AD21367 | ND |
| 2017-03-08 | AD74279 | ND |
| 2017-04-25 | AD81411 | ND |
| 2018-03-05 | AE16876 | ND |
| 2018-03-05 | AE16875 | ND |
| 2019-01-15 | AE50045 | ND |
| 2019-09-17 | AE83774 | ND |