Silver
St Bernard Parish 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.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 4 | 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 |
|---|---|---|
| 2014-01-21 | AD88457 | ND |
| 2014-01-21 | AD88457 | ND |
| 2014-10-03 | AD98039 | ND |
| 2014-10-03 | AD98039 | ND |
| 2015-03-30 | 35181567002 | ND |
| 2015-03-30 | 35181567002 | ND |
| 2016-02-17 | 35230188004 | ND |
| 2016-02-17 | 35230188004 | ND |
| 2017-02-16 | 35296025001 | ND |
| 2017-02-16 | 35296025001 | ND |
| 2018-03-06 | 35378295001 | ND |
| 2018-03-06 | 35378295001 | ND |
| 2019-02-14 | 35448755001 | ND |
| 2019-02-14 | 35448755001 | ND |