Silver
El Dorado ID - Main
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.
21
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 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-09 | 9590-005-1400 | ND |
| 2014-07-15 | 9590-006-1110 | ND |
| 2014-07-24 | 9590-007-1035 | ND |
| 2015-07-07 | 9590-005-1400 | ND |
| 2015-07-07 | 9590-006-1135 | ND |
| 2015-07-14 | 9590-007-0830 | ND |
| 2016-07-12 | 9590-002-1100 | ND |
| 2016-07-12 | 9590-007-1030 | ND |
| 2016-07-21 | 9590-003-0945 | ND |
| 2016-07-21 | 9590-006-1040 | ND |
| 2016-07-21 | 9590-005-1140 | ND |
| 2016-07-21 | 9590-004-1240 | ND |
| 2017-07-06 | 9590-006-1040 | ND |
| 2017-07-06 | 9590-005-1315 | ND |
| 2017-07-11 | 9590-007-1130 | ND |
| 2018-07-02 | 9590-005-1106 | ND |
| 2018-07-10 | 9590-007-1055 | ND |
| 2018-07-11 | 9590-006-1145 | ND |
| 2019-07-02 | 9590-006-1000 | ND |
| 2019-07-02 | 9590-005-1315 | ND |
| 2019-07-16 | 9590-007-1100 | ND |