Silver
Alco Water Service
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-26 | 9576-022-1110 | ND |
2015-03-04 | 9576-004-1005 | ND |
2015-09-29 | 9576-021-1115 | ND |
2016-03-23 | 9576-001-1255 | ND |
2016-03-23 | 9576-007-1215 | ND |
2016-11-28 | 9576-011-1205 | ND |
2017-03-14 | 9576-022-1110 | ND |
2018-03-06 | 9576-004-0906 | ND |
2018-09-27 | 9576-021-0807 | ND |
2019-03-12 | 9576-001-1310 | ND |
2019-03-12 | 9576-007-1050 | ND |
2019-11-12 | 9576-011-0908 | ND |