Silver
Friona Municipal Water System
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.
9
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-04-15 | Q1514095011 | ND |
| 2016-02-02 | Q1604458011 | ND |
| 2016-02-02 | Q1604458012 | ND |
| 2016-02-02 | Q1604458013 | ND |
| 2017-01-17 | Q1702057017 | ND |
| 2018-07-30 | Q1830046010 | ND |
| 2019-01-17 | Q1902751010 | ND |
| 2019-01-17 | Q1902751011 | ND |
| 2019-04-23 | Q1916176009 | ND |