Silver
Mountain Water District #1 Marrow Bone
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.
7
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-12 | 201403540001 | ND |
| 2015-03-11 | 201502872001 | ND |
| 2016-03-09 | 201603364001 | ND |
| 2017-03-08 | 201703268001 | ND |
| 2018-03-14 | 201802906001 | ND |
| 2019-03-13 | 201903265001 | ND |
| 2019-05-09 | 201906303001 | ND |