Silver
Eastern Municipal Water District
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.
19
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 | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-18 | 1379-081-0808 | ND |
| 2014-08-18 | 1379-071-0908 | ND |
| 2014-08-18 | 1379-063-0808 | ND |
| 2015-08-04 | 1379-063-1008 | ND |
| 2015-08-04 | 1379-081-0808 | ND |
| 2015-08-04 | 1379-071-0808 | ND |
| 2016-08-01 | 1379-071-0808 | ND |
| 2016-08-01 | 1379-081-0808 | ND |
| 2016-08-02 | 1379-063-0808 | ND |
| 2017-08-01 | 1379-081-1108 | ND |
| 2017-08-01 | 1379-063-1008 | ND |
| 2017-08-02 | 1379-071-0808 | ND |
| 2018-07-02 | 1379-071-0635 | ND |
| 2018-07-02 | 1379-063-0856 | ND |
| 2018-07-02 | 1379-081-0802 | ND |
| 2019-07-08 | 4790-063-1507 | ND |
| 2019-07-08 | 4790-056-0942 | ND |
| 2019-07-11 | 4790-081-1445 | ND |
| 2019-08-05 | 4790-071-0908 | ND |