Silver
City of Bogalusa Water System
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.
18
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 6.50 ppb | 2 | 1 | ND - 13.0 ppb |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-07-16 | B1903048-002 | ND |
| 2019-07-16 | B1903048-001 | ND |
| 2019-07-16 | B1903048-002 | ND |
| 2019-07-16 | B1903048-001 | ND |
| 2020-07-21 | B2003615-004 | ND |
| 2020-07-21 | B2003615-005 | ND |
| 2020-07-21 | B2003615-003 | ND |
| 2020-07-21 | B2003615-002 | ND |
| 2020-07-21 | B2003615-001 | ND |
| 2020-08-05 | B2003985-002 | ND |
| 2020-08-05 | B2003985-001 | ND |
| 2022-09-12 | B2204433-001 | 13.0 ppb |
| 2022-09-14 | B2204433-002 | ND |
| 2023-08-07 | B2303239-001 | ND |
| 2023-08-07 | B2303239-002 | ND |
| 2023-08-07 | B2303239-003 | ND |
| 2023-12-11 | B2305260-001 | ND |
| 2023-12-11 | B2305260-002 | ND |