Silver
City of Arlington
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.
11
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-11 | Q1404025017 | ND |
| 2014-04-30 | Q1413772002 | ND |
| 2015-01-21 | Q1502500004 | ND |
| 2015-04-28 | Q1515602002 | ND |
| 2016-01-06 | Q1600353016 | ND |
| 2016-04-13 | Q1614685002 | ND |
| 2017-01-24 | Q1703096001 | ND |
| 2017-06-26 | Q1726565004 | ND |
| 2018-01-23 | Q1802577003 | ND |
| 2019-02-20 | Q1907393013 | ND |
| 2019-04-10 | Q1914375004 | ND |