Silver
Duxbury Water Department
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.
22
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 11 | 0 | ND |
2019 | ND | 11 | 0 | ND |
ppb = parts per billion
All test results
Date | Result |
---|---|
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-20 | ND |
2018-03-26 | ND |
2018-03-26 | ND |
2019-02-26 | ND |
2019-02-26 | ND |
2019-02-26 | ND |
2019-02-26 | ND |
2019-02-26 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-06 | ND |
2019-03-06 | ND |