Silver
Guatay Mutual Benefit Corporation
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.
8
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 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-02-15 | 5867-001-0805 | ND |
| 2016-02-15 | 5867-002-0830 | ND |
| 2016-09-21 | 5867-001-1500 | ND |
| 2016-09-21 | 5867-002-1430 | ND |
| 2017-11-08 | 5867-004-1445 | ND |
| 2017-11-08 | 5867-005-1400 | ND |
| 2019-11-15 | 5867-001-1114 | ND |
| 2019-12-16 | 5867-001-1622 | ND |