Silver
Pico Rivera Water Department
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.
15
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 | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 3 | 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 |
|---|---|---|
| 2014-01-17 | 9588-004-0946 | ND |
| 2014-04-23 | 9588-002-0950 | ND |
| 2014-09-16 | 9588-007-1155 | ND |
| 2016-05-09 | 9588-005-1145 | ND |
| 2016-05-09 | 9588-006-0908 | ND |
| 2016-05-09 | 9588-008-1000 | ND |
| 2016-05-09 | 9588-009-1035 | ND |
| 2016-05-09 | 9588-012-1115 | ND |
| 2017-02-09 | 9588-004-1040 | ND |
| 2017-04-24 | 9588-002-0945 | ND |
| 2017-07-25 | 9588-007-1010 | ND |
| 2019-05-09 | 9588-006-0840 | ND |
| 2019-05-09 | 9588-008-0915 | ND |
| 2019-05-23 | 9588-005-1117 | ND |
| 2019-05-23 | 9588-009-1030 | ND |