Silver
City of Midland
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.
10
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 | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-08 | Q1410938006 | ND |
| 2015-01-21 | Q1501998010 | ND |
| 2016-01-14 | Q1601703005 | ND |
| 2016-10-20 | Q1644819012 | ND |
| 2017-01-23 | Q1703156009 | ND |
| 2017-05-30 | Q1722927001 | ND |
| 2017-07-18 | Q1729407010 | ND |
| 2017-11-15 | Q1758632007 | ND |
| 2018-01-08 | Q1800531001 | ND |
| 2019-01-30 | Q1904858004 | ND |