Silver
Diana Special Utility 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.
18
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-01 | Q1524946018 | ND |
| 2016-11-17 | Q1650385011 | ND |
| 2016-11-17 | Q1650385010 | ND |
| 2016-11-17 | Q1650385009 | ND |
| 2016-11-17 | Q1650385008 | ND |
| 2016-11-17 | Q1650385007 | ND |
| 2017-11-20 | Q1759245006 | ND |
| 2017-11-20 | Q1759245008 | ND |
| 2017-11-20 | Q1759245007 | ND |
| 2018-02-23 | Q1807825005 | ND |
| 2018-02-23 | Q1807825014 | ND |
| 2018-02-23 | Q1807825004 | ND |
| 2018-09-12 | Q1836199004 | ND |
| 2019-02-27 | Q1908268004 | ND |
| 2019-02-27 | Q1908268008 | ND |
| 2019-02-27 | Q1908268007 | ND |
| 2019-02-27 | Q1908268006 | ND |
| 2019-02-27 | Q1908268005 | ND |