Silver
Berwick Bayou Vista Water Works Commission
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.
12
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-13 | AD88284 | ND |
| 2014-01-13 | AD88284 | ND |
| 2015-02-24 | 35177310001 | ND |
| 2015-02-24 | 35177310001 | ND |
| 2016-01-11 | 35224753001 | ND |
| 2016-01-11 | 35224753001 | ND |
| 2017-01-10 | 35288198001 | ND |
| 2017-01-10 | 35288198001 | ND |
| 2018-01-25 | 35370415001 | ND |
| 2018-01-25 | 35370415001 | ND |
| 2019-01-15 | 35442693001 | ND |
| 2019-01-15 | 35442693001 | ND |