Silver
Benbrook Water Authority
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.
24
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 | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-04 | Q1403610005 | ND |
| 2014-02-04 | Q1403610004 | ND |
| 2014-02-04 | Q1403610003 | ND |
| 2014-04-02 | Q1410443010 | ND |
| 2014-04-02 | Q1410443001 | ND |
| 2015-02-04 | Q1504394024 | ND |
| 2016-01-21 | Q1602764009 | ND |
| 2016-01-21 | Q1602764008 | ND |
| 2016-01-21 | Q1602764007 | ND |
| 2016-05-04 | Q1617499014 | ND |
| 2016-05-04 | Q1617499013 | ND |
| 2016-11-21 | Q1650881007 | ND |
| 2017-01-31 | Q1704261011 | ND |
| 2017-01-31 | Q1704261003 | ND |
| 2017-08-01 | Q1731488021 | ND |
| 2017-08-01 | Q1731488020 | ND |
| 2017-08-01 | Q1731488019 | ND |
| 2017-11-08 | Q1757459020 | ND |
| 2018-02-01 | Q1804024022 | ND |
| 2019-01-29 | Q1904088014 | ND |
| 2019-01-29 | Q1904088022 | ND |
| 2019-01-29 | Q1904088001 | ND |
| 2019-01-29 | Q1904088013 | ND |
| 2019-05-20 | Q1926717007 | ND |