Silver
North Perris Water System
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.
12
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-20 | 3761-001-1110 | ND |
| 2014-02-20 | 3761-002-1120 | ND |
| 2014-02-20 | 3761-004-1130 | ND |
| 2014-02-20 | 3761-005-1140 | ND |
| 2017-02-15 | 3761-001-0910 | ND |
| 2017-02-15 | 3761-002-0920 | ND |
| 2017-02-15 | 3761-004-0940 | ND |
| 2017-02-15 | 3761-005-0950 | ND |
| 2019-08-14 | 3761-001-1150 | ND |
| 2019-08-14 | 3761-002-1155 | ND |
| 2019-08-14 | 3761-004-1300 | ND |
| 2019-08-14 | 3761-005-1310 | ND |