Silver
Darbonne Ws North
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.
15
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 | 10 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-09 | 35496832001 | ND |
| 2019-09-09 | 35496832002 | ND |
| 2019-09-09 | 35496832003 | ND |
| 2019-09-09 | 35496832004 | ND |
| 2019-09-09 | 35496832005 | ND |
| 2019-09-09 | 35496832001 | ND |
| 2019-09-09 | 35496832002 | ND |
| 2019-09-09 | 35496832003 | ND |
| 2019-09-09 | 35496832004 | ND |
| 2019-09-09 | 35496832005 | ND |
| 2020-11-18 | B2006135-002 | ND |
| 2022-08-31 | B2204245-001 | ND |
| 2022-08-31 | B2204245-002 | ND |
| 2022-08-31 | B2204245-003 | ND |
| 2022-08-31 | B2204245-004 | ND |