Silver
City of Aubrey
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.
9
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 | 3 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-15 | Q1810837013 | ND |
| 2018-03-15 | Q1810837014 | ND |
| 2018-03-15 | Q1810837015 | ND |
| 2019-05-15 | Q1926233009 | ND |
| 2021-07-01 | Q2117370005 | ND |
| 2021-07-01 | Q2117370006 | ND |
| 2021-07-01 | Q2117370020 | ND |
| 2022-10-13 | Q2231065010 | ND |
| 2023-04-11 | AG38754 | ND |