Silver
Town of Ponder
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 | 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 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-07 | Q1809461009 | ND |
| 2018-03-07 | Q1809461010 | ND |
| 2018-03-13 | Q1810192004 | ND |
| 2019-04-04 | Q1913697006 | ND |
| 2021-06-28 | Q2116757014 | ND |
| 2021-06-28 | Q2116757015 | ND |
| 2021-06-28 | Q2116757016 | ND |
| 2022-06-30 | Q2218550017 | ND |