Silver
Heber Springs 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.
6
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 |
|---|---|---|---|---|
| 2012 | ND | 1 | 0 | ND |
| 2013 | ND | 1 | 0 | ND |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2012-10-31 | 123060004 | ND |
| 2013-10-02 | 132760007 | ND |
| 2014-11-04 | Y143100044 | ND |
| 2015-10-22 | Y152950003 | ND |
| 2016-10-17 | Y162940007 | ND |
| 2017-10-24 | Y172990001 | ND |