Silver
Gurdon Waterworks
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.
21
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 | 5 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-24 | Y181150011 | ND |
| 2018-04-24 | Y181150010 | ND |
| 2019-01-23 | Y190240003 | ND |
| 2019-04-30 | Y191220044 | ND |
| 2019-04-30 | Y191220035 | ND |
| 2019-09-24 | Y192690006 | ND |
| 2019-12-10 | Y193460028 | ND |
| 2020-05-12 | Y201350026 | ND |
| 2020-05-12 | Y201350027 | ND |
| 2021-04-05 | Y210980009 | ND |
| 2021-04-05 | Y210980008 | ND |
| 2021-05-10 | Y211330026 | ND |
| 2022-02-07 | Y220410001 | ND |
| 2022-05-04 | Y221250022 | ND |
| 2022-05-04 | Y221250018 | ND |
| 2022-06-13 | Y221670033 | ND |
| 2022-07-11 | Y221950063 | ND |
| 2022-10-03 | Y222790057 | ND |
| 2023-02-13 | Y230470045 | ND |
| 2023-05-08 | Y231310023 | ND |
| 2023-05-08 | Y231310035 | ND |