Silver
City of La Habra
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.
18
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 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-04 | 3761-031-1055 | ND |
| 2014-09-04 | 3761-028-1151 | ND |
| 2014-09-04 | 3761-004-1124 | ND |
| 2015-09-21 | 3761-004-1400 | ND |
| 2015-09-21 | 3761-028-1515 | ND |
| 2015-09-21 | 3761-031-1450 | ND |
| 2016-09-16 | 3761-028-1125 | ND |
| 2016-09-16 | 3761-031-1100 | ND |
| 2016-10-04 | 3761-004-1530 | ND |
| 2017-09-25 | 3761-028-1145 | ND |
| 2017-09-27 | 3761-031-1435 | ND |
| 2017-11-17 | 3761-004-1152 | ND |
| 2018-09-14 | 3761-028-1111 | ND |
| 2018-09-14 | 3761-031-1042 | ND |
| 2018-09-14 | 3761-004-1140 | ND |
| 2019-09-11 | 3761-028-1025 | ND |
| 2019-09-11 | 3761-031-1100 | ND |
| 2019-09-11 | 3761-004-1140 | ND |