Silver
Natchitoches 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.
11
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 | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-22 | 35370029001 | ND |
| 2018-01-22 | 35370029001 | ND |
| 2019-02-25 | 35450970001 | ND |
| 2019-02-25 | 35450970001 | ND |
| 2020-02-17 | B2000776-001 | ND |
| 2021-01-20 | B2100176-001 | ND |
| 2022-01-26 | B2200400-001 | ND |
| 2023-03-06 | B2300971-001 | ND |
| 2023-08-18 | B2303431-001 | ND |
| 2023-08-18 | B2303431-002 | ND |
| 2023-08-18 | B2303431-003 | ND |