Silver
Hosanna Heights
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.
15
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 | 1 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-03 | Y150630029 | ND |
| 2016-08-16 | Y162300004 | ND |
| 2017-03-14 | Y170750013 | ND |
| 2017-05-16 | Y171390002 | ND |
| 2017-07-18 | Y172010129 | ND |
| 2017-10-18 | Y172930016 | ND |
| 2017-11-25 | Y173340017 | ND |
| 2018-01-30 | Y180330004 | ND |
| 2018-05-29 | Y181510036 | ND |
| 2018-08-27 | Y182410005 | ND |
| 2018-11-05 | Y183120032 | ND |
| 2019-03-04 | Y190660043 | ND |
| 2019-06-25 | Y191790276 | ND |
| 2019-09-04 | Y192490003 | ND |
| 2019-10-28 | Y193050030 | ND |