Silver
City of Hearne
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-16 | AE66756 | ND |
| 2019-05-16 | AE66757 | ND |
| 2020-04-23 | AF07831 | ND |
| 2020-06-30 | AF17364 | ND |
| 2022-06-22 | AG01874 | ND |
| 2022-06-22 | AG01875 | ND |
| 2023-06-13 | AG44139 | ND |
| 2023-06-13 | AG44140 | ND |