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.
8
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 |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-06 | 35378295001 | ND |
| 2018-03-06 | 35378295001 | ND |
| 2019-02-14 | 35448755001 | ND |
| 2019-02-14 | 35448755001 | ND |
| 2020-03-10 | B2001271-001 | ND |
| 2021-03-09 | B2101077-001 | ND |
| 2022-02-09 | B2200580-001 | ND |
| 2023-02-08 | B2300591-001 | ND |