Silver
Utrwd Regional Water Treatment Plant
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.
12
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 | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-13 | Q1805957002 | ND |
| 2018-09-25 | Q1838256002 | ND |
| 2019-03-07 | Q1909910003 | ND |
| 2019-10-02 | Q1971112002 | ND |
| 2020-03-09 | Q2008448002 | ND |
| 2020-08-18 | Q2032859007 | ND |
| 2021-02-23 | Q2104596002 | ND |
| 2021-09-27 | Q2126305007 | ND |
| 2022-01-25 | Q2202436002 | ND |
| 2022-09-15 | Q2227673009 | ND |
| 2023-03-07 | Q2308901003 | ND |
| 2023-08-02 | Q2331445007 | ND |