Silver
Oyster Bay Water District
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.
33
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 | 6 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 11 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-04 | 1406268-004-SEC | ND |
| 2014-06-04 | 1406268-001-SEC | ND |
| 2014-06-04 | 1406268-005-SEC | ND |
| 2014-06-04 | 1406268-002-SEC | ND |
| 2014-06-04 | 1406268-003-SEC | ND |
| 2014-12-17 | 1412C79-002-SEC | ND |
| 2015-05-20 | 1505E59-005-SEC | ND |
| 2015-05-20 | 1505E59-004-SEC | ND |
| 2015-05-20 | 1505E59-003-SEC | ND |
| 2015-05-20 | 1505E59-002-SEC | ND |
| 2015-05-20 | 1505E59-001-SEC | ND |
| 2016-06-28 | 1606Q91-004-SEC | ND |
| 2016-06-28 | 1606Q91-001-SEC | ND |
| 2016-06-28 | 1606Q91-91-003-S | ND |
| 2016-06-28 | 1606Q91-002-SEC | ND |
| 2016-06-29 | 1606S11-001-SEC | ND |
| 2016-12-20 | 707271002-SEC | ND |
| 2017-12-27 | 7039161002-POC | ND |
| 2017-12-27 | 7039161003-SEC | ND |
| 2017-12-27 | 7039161005-SEC | ND |
| 2017-12-27 | 7039161004-SEC | ND |
| 2017-12-27 | 7039161001-SEC | ND |
| 2018-07-02 | 7056846003-SEC | ND |
| 2018-07-02 | 7056846002-SEC | ND |
| 2018-07-02 | 7056846005-SEC | ND |
| 2018-07-02 | 7056846001-SEC | ND |
| 2018-07-02 | 7056846004-SEC | ND |
| 2018-08-03 | 7060301003-SEC | ND |
| 2018-08-03 | 7060301001-SEC | ND |
| 2018-08-03 | 7060301002-SEC | ND |
| 2018-08-03 | 7060301004-SEC | ND |
| 2018-08-03 | 7060301005-SEC | ND |
| 2018-12-12 | 7073728004-SEC | ND |