Silver
City of Garden Grove
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.
31
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 | 8 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 10 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-08 | 4417-011-1100 | ND |
| 2014-01-08 | 4417-009-0835 | ND |
| 2014-01-08 | 4417-012-0955 | ND |
| 2014-01-08 | 4417-014-0740 | ND |
| 2014-01-08 | 4417-019-0810 | ND |
| 2014-04-02 | 4417-039-1015 | ND |
| 2014-04-02 | 4417-006-1400 | ND |
| 2014-04-02 | 4417-013-1440 | ND |
| 2015-03-04 | 4417-020-0700 | ND |
| 2015-03-04 | 4417-061-0835 | ND |
| 2015-04-01 | 4417-016-1140 | ND |
| 2015-04-01 | 4417-018-1100 | ND |
| 2016-01-06 | 4417-063-0700 | ND |
| 2016-04-27 | 4417-063-0700 | ND |
| 2016-04-27 | 4417-063-0710 | ND |
| 2017-02-01 | 4417-014-0935 | ND |
| 2017-02-01 | 4417-019-0715 | ND |
| 2017-02-01 | 4417-009-0820 | ND |
| 2017-02-01 | 4417-012-0915 | ND |
| 2017-03-01 | 4417-018-1050 | ND |
| 2017-03-01 | 4417-011-1020 | ND |
| 2017-04-26 | 4417-016-1120 | ND |
| 2017-04-26 | 4417-011-1020 | ND |
| 2017-04-26 | 4417-039-0955 | ND |
| 2017-04-26 | 4417-013-1200 | ND |
| 2018-01-31 | 4417-020-1010 | ND |
| 2018-01-31 | 4417-061-0705 | ND |
| 2018-02-21 | 4417-006-0950 | ND |
| 2018-02-21 | 4417-006-1000 | ND |
| 2018-04-25 | 4417-018-1045 | ND |
| 2019-11-06 | 4417-063-1020 | ND |