Silver
Ontario Municipal Utilities Company
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.
38
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 21 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 15 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-15 | 4790-017-1000 | ND |
| 2014-10-15 | 4790-025-1100 | ND |
| 2014-10-16 | 4790-048-1000 | ND |
| 2014-10-16 | 4790-046-0910 | ND |
| 2014-10-16 | 4790-045-0815 | ND |
| 2014-10-22 | 4790-034-0840 | ND |
| 2014-10-22 | 4790-020-0915 | ND |
| 2014-10-22 | 4790-023-0955 | ND |
| 2014-10-22 | 4790-031-1115 | ND |
| 2014-10-22 | 4790-049-1040 | ND |
| 2014-10-28 | 4790-032-0820 | ND |
| 2014-10-28 | 4790-040-0855 | ND |
| 2014-10-28 | 4790-029-1015 | ND |
| 2014-10-28 | 4790-041-0850 | ND |
| 2014-10-28 | 4790-043-0820 | ND |
| 2014-10-28 | 4790-044-0800 | ND |
| 2014-11-06 | 4790-022-1010 | ND |
| 2014-11-06 | 4790-026-0915 | ND |
| 2014-11-07 | 4790-030-0930 | ND |
| 2014-12-04 | 4790-042-0945 | ND |
| 2014-12-04 | 4790-027-1020 | ND |
| 2015-05-07 | 4790-050-1042 | ND |
| 2017-02-01 | 4790-050-0831 | ND |
| 2017-04-20 | 4790-030-0910 | ND |
| 2017-07-03 | 4790-042-0910 | ND |
| 2017-07-03 | 4790-044-1015 | ND |
| 2017-07-03 | 4790-043-1110 | ND |
| 2017-07-06 | 4790-025-0955 | ND |
| 2017-07-12 | 4790-041-0815 | ND |
| 2017-07-12 | 4790-034-0910 | ND |
| 2017-07-12 | 4790-031-1130 | ND |
| 2017-07-12 | 4790-049-1055 | ND |
| 2017-07-19 | 4790-045-1050 | ND |
| 2017-07-19 | 4790-032-0835 | ND |
| 2017-07-19 | 4790-026-0930 | ND |
| 2017-07-19 | 4790-020-0730 | ND |
| 2017-08-03 | 4790-048-0815 | ND |
| 2019-10-30 | 4790-040-0826 | ND |