Silver
City of Grand Prairie
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 | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-23 | Q1412991005 | ND |
| 2014-06-04 | Q1419331004 | ND |
| 2014-06-26 | Q1424023010 | ND |
| 2014-06-26 | Q1424023011 | ND |
| 2014-06-26 | Q1424023012 | ND |
| 2014-06-26 | Q1424023031 | ND |
| 2014-09-10 | Q1442991007 | ND |
| 2014-09-10 | Q1442991008 | ND |
| 2017-01-05 | Q1700632018 | ND |
| 2017-01-05 | Q1700632004 | ND |
| 2017-06-27 | Q1726535002 | ND |
| 2017-06-27 | Q1726535027 | ND |
| 2017-06-27 | Q1726535003 | ND |
| 2017-06-27 | Q1726535028 | ND |