Silver
Newhall CWD-Newhall
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 | 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 |
---|---|---|
2014-04-10 | 9590-007-0936 | ND |
2014-05-29 | 9590-006-0955 | ND |
2015-04-29 | 9590-006-1120 | ND |
2015-04-29 | 9590-007-1145 | ND |
2016-04-14 | 9590-006-1105 | ND |
2016-04-14 | 9590-007-1045 | ND |
2017-04-13 | 9590-006-0940 | ND |
2017-04-13 | 9590-007-0911 | ND |
2018-04-12 | 9590-006-1225 | ND |
2018-04-12 | 9590-007-1235 | ND |
2019-04-18 | 9590-006-0835 | ND |
2019-04-18 | 9590-007-0855 | ND |