Silver
Southwest Ouachita Waterworks Inc.
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 12 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 14 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-06-16 | AD92407 | ND |
2014-06-16 | AD92402 | ND |
2014-06-16 | AD92407 | ND |
2014-06-16 | AD92402 | ND |
2014-10-20 | AD98771 | ND |
2014-10-20 | AD98761 | ND |
2014-10-20 | AD98766 | ND |
2014-10-20 | AD98771 | ND |
2014-10-20 | AD98776 | ND |
2014-10-20 | AD98766 | ND |
2014-10-20 | AD98761 | ND |
2014-10-20 | AD98776 | ND |
2015-01-05 | AE00852 | ND |
2015-01-05 | AE00852 | ND |
2017-06-12 | 35318592003 | ND |
2017-06-12 | 35318592002 | ND |
2017-06-12 | 35318592001 | ND |
2017-06-12 | 35318592001 | ND |
2017-06-12 | 35318592002 | ND |
2017-06-12 | 35318592003 | ND |
2017-10-16 | 35343270001 | ND |
2017-10-16 | 35343270004 | ND |
2017-10-16 | 35343270003 | ND |
2017-10-16 | 35343270002 | ND |
2017-10-16 | 35343270001 | ND |
2017-10-16 | 35343270004 | ND |
2017-10-16 | 35343270003 | ND |
2017-10-16 | 35343270002 | ND |