Silver
New Orleans Carrollton Waterworks
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 | 8 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-06 | AD88178 | ND |
2014-01-06 | AD88173 | ND |
2014-01-06 | AD88178 | ND |
2014-01-06 | AD88173 | ND |
2014-09-11 | AD96622 | ND |
2014-09-11 | AD96618 | ND |
2014-09-11 | AD96622 | ND |
2014-09-11 | AD96618 | ND |
2015-02-23 | 35177313001 | ND |
2015-02-23 | 35177313001 | ND |
2015-02-23 | 35177313002 | ND |
2015-02-23 | 35177313002 | ND |
2016-01-20 | 35226299001 | ND |
2016-01-20 | 35226299001 | ND |
2016-01-20 | 35226299002 | ND |
2016-01-20 | 35226299002 | ND |
2017-02-09 | 35294515002 | ND |
2017-02-09 | 35294515001 | ND |
2017-02-09 | 35294515001 | ND |
2017-02-09 | 35294515002 | ND |
2018-03-15 | 35380391002 | ND |
2018-03-15 | 35380391001 | ND |
2018-03-15 | 35380391001 | ND |
2018-03-15 | 35380391002 | ND |
2019-02-27 | 35451097001 | ND |
2019-02-27 | 35451098001 | ND |
2019-02-27 | 35451097001 | ND |
2019-02-27 | 35451098001 | ND |
2019-09-19 | 35499418001 | ND |
2019-09-19 | 35499418001 | ND |