Silver
City of Sherman
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.
25
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-22 | Q1412762003 | ND |
| 2014-06-16 | Q1421403005 | ND |
| 2015-03-17 | Q1509888004 | ND |
| 2016-01-20 | Q1602479019 | ND |
| 2016-01-20 | Q1602479018 | ND |
| 2016-01-20 | Q1602479017 | ND |
| 2016-04-11 | Q1614214006 | ND |
| 2016-11-08 | Q1648503006 | ND |
| 2016-11-08 | Q1648503005 | ND |
| 2016-11-08 | Q1648503004 | ND |
| 2016-11-08 | Q1648503003 | ND |
| 2016-11-08 | Q1648503002 | ND |
| 2017-01-12 | Q1701556004 | ND |
| 2017-01-12 | Q1701556012 | ND |
| 2017-07-11 | Q1728660017 | ND |
| 2018-07-05 | Q1826605004 | ND |
| 2019-02-12 | Q1906434014 | ND |
| 2019-02-12 | Q1906434013 | ND |
| 2019-02-12 | Q1906434012 | ND |
| 2019-02-12 | Q1906434011 | ND |
| 2019-05-07 | Q1922272015 | ND |
| 2019-05-07 | Q1922272019 | ND |
| 2019-05-07 | Q1922272018 | ND |
| 2019-05-07 | Q1922272017 | ND |
| 2019-05-07 | Q1922272016 | ND |