Silver
Pendleton Water Association
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.
12
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 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-07 | AD90475 | ND |
| 2014-04-07 | AD90475 | ND |
| 2015-03-02 | 35177846003 | ND |
| 2015-03-02 | 35177846003 | ND |
| 2016-04-11 | 35239164002 | ND |
| 2016-04-11 | 35239164002 | ND |
| 2017-04-04 | 35304846003 | ND |
| 2017-04-04 | 35304846003 | ND |
| 2018-02-20 | 35375979001 | ND |
| 2018-02-20 | 35375979001 | ND |
| 2019-03-12 | 35454721001 | ND |
| 2019-03-12 | 35454721001 | ND |