Silver
City of League City
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 | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-30 | AC52328 | ND |
| 2014-08-19 | AC64256 | ND |
| 2014-12-15 | AC75039 | ND |
| 2016-01-28 | AD20623 | ND |
| 2017-05-02 | AD82053 | ND |
| 2017-05-02 | AD82054 | ND |
| 2017-09-19 | AD96734 | ND |
| 2018-12-06 | AE48140 | ND |
| 2019-01-23 | AE50867 | ND |
| 2019-10-15 | AE86563 | ND |