Silver
North Texas Municipal Water District Wylie Water Treatment Plant
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.
16
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | 0.333 ppb | 3 | 1 | ND - 1.000 ppb |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-28 | Q1402751014 | ND |
| 2014-01-28 | Q1402751001 | ND |
| 2014-01-28 | Q1402751002 | ND |
| 2015-05-21 | Q1518817001 | ND |
| 2015-05-21 | Q1518817002 | ND |
| 2015-11-19 | Q1546094002 | ND |
| 2016-05-02 | Q1617286015 | ND |
| 2016-05-02 | Q1617286016 | ND |
| 2016-05-02 | Q1617286023 | ND |
| 2017-06-22 | Q1726245002 | ND |
| 2017-06-22 | Q1726245003 | ND |
| 2018-01-23 | Q1802554001 | ND |
| 2018-09-17 | Q1836833003 | ND |
| 2018-09-17 | Q1836833004 | 1.000 ppb |
| 2019-01-15 | Q1902044006 | ND |
| 2019-01-15 | Q1902044007 | ND |