Silver
Azusa Light and Water
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 5 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-06 | 9588-034-1000 | ND |
2014-08-06 | 9588-033-0950 | ND |
2014-08-06 | 9588-007-1055 | ND |
2014-08-06 | 9588-004-0920 | ND |
2014-09-17 | 9588-002-0910 | ND |
2015-08-05 | 9588-003-0850 | ND |
2015-11-04 | 9588-010-1030 | ND |
2016-08-09 | 9588-008-0950 | ND |
2016-08-09 | 9588-001-0900 | ND |
2016-08-09 | 9588-006-1010 | ND |
2016-08-09 | 9588-005-0940 | ND |
2017-08-14 | 9588-007-0910 | ND |
2017-08-14 | 9588-033-0830 | ND |
2017-08-14 | 9588-034-0835 | ND |
2017-08-14 | 9588-004-0850 | ND |
2017-08-14 | 9588-002-0825 | ND |
2018-08-08 | 9588-003-0825 | ND |
2018-11-06 | 9588-010-1120 | ND |
2019-08-19 | 9588-006-1010 | ND |
2019-08-19 | 9588-008-1030 | ND |
2019-08-19 | 9588-005-0955 | ND |
2019-08-19 | 9588-001-0930 | ND |