Silver
St. Martin Parish Water Works District 3 - Cade
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 | N/A | 0 | 0 | N/A |
2015 | ND | 6 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 6 | 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 |
---|---|---|
2015-02-23 | 35176705002 | ND |
2015-02-23 | 35176705003 | ND |
2015-02-23 | 35176705004 | ND |
2015-02-23 | 35176705002 | ND |
2015-02-23 | 35176705003 | ND |
2015-02-23 | 35176705004 | ND |
2017-12-04 | AE20091 | ND |
2017-12-04 | AE20095 | ND |
2017-12-04 | AE20099 | ND |
2017-12-04 | AE20091 | ND |
2017-12-04 | AE20095 | ND |
2017-12-04 | AE20099 | ND |