Silver
Monticello Water Department
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-08-03 | Y152180030 | ND |
| 2015-08-03 | Y152180031 | ND |
| 2015-08-03 | Y152180028 | ND |
| 2015-08-03 | Y152180029 | ND |
| 2016-05-03 | Y161260046 | ND |
| 2016-07-27 | Y162100017 | ND |
| 2018-08-27 | Y182420011 | ND |
| 2018-08-27 | Y182420012 | ND |
| 2018-08-27 | Y182420010 | ND |
| 2018-08-27 | Y182420009 | ND |
| 2019-04-30 | Y191210012 | ND |
| 2019-09-16 | Y192620007 | ND |