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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-22 | Q1429878009 | ND |
| 2014-07-22 | Q1429878010 | ND |
| 2015-09-16 | Q1536495006 | ND |
| 2015-09-21 | Q1536819001 | ND |
| 2016-03-30 | Q1612988002 | ND |
| 2016-06-07 | Q1622615001 | ND |
| 2017-02-02 | Q1704610002 | ND |
| 2017-09-26 | Q1746575002 | ND |
| 2018-02-13 | Q1805957002 | ND |
| 2018-09-25 | Q1838256002 | ND |
| 2019-03-07 | Q1909910003 | ND |
| 2019-10-02 | Q1971112002 | ND |