Silver
Pratt, City of
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.
22
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 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 10 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-03-18 | 1137719 | ND |
| 2019-03-18 | 1137720 | ND |
| 2019-03-18 | 1137721 | ND |
| 2019-03-18 | 1137722 | ND |
| 2019-03-18 | 1137723 | ND |
| 2019-03-19 | 1138165 | ND |
| 2019-03-19 | 1138166 | ND |
| 2019-03-19 | 1138167 | ND |
| 2019-03-19 | 1138168 | ND |
| 2019-03-19 | 1138164 | ND |
| 2021-04-13 | 1817297 | ND |
| 2022-03-21 | 2219520 | ND |
| 2022-03-21 | 2219521 | ND |
| 2022-03-21 | 2219522 | ND |
| 2022-03-21 | 2219523 | ND |
| 2022-03-21 | 2219524 | ND |
| 2022-03-21 | 2219525 | ND |
| 2022-03-21 | 2219526 | ND |
| 2022-03-21 | 2219527 | ND |
| 2022-03-21 | 2219528 | ND |
| 2022-03-21 | 2219529 | ND |
| 2023-10-10 | 2589869 | ND |