Silver
Red Hill Waterworks Inc.
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.
20
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 | 12 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-02-04 | 35228303005 | ND |
| 2016-02-04 | 35228303004 | ND |
| 2016-02-04 | 35228303003 | ND |
| 2016-02-04 | 35228303004 | ND |
| 2016-02-04 | 35228303005 | ND |
| 2016-02-04 | 35228303003 | ND |
| 2016-12-08 | 35282709004 | ND |
| 2016-12-08 | 35282709005 | ND |
| 2016-12-08 | 35282709006 | ND |
| 2016-12-08 | 35282709006 | ND |
| 2016-12-08 | 35282709005 | ND |
| 2016-12-08 | 35282709004 | ND |
| 2017-10-17 | 35342600001 | ND |
| 2017-10-17 | 35342600001 | ND |
| 2019-09-13 | B1904092-001 | ND |
| 2019-09-13 | B1904092-003 | ND |
| 2019-09-13 | B1904092-002 | ND |
| 2019-09-13 | B1904092-001 | ND |
| 2019-09-13 | B1904092-003 | ND |
| 2019-09-13 | B1904092-002 | ND |