Silver
La Habra Heights County Water District
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-11 | 9588-010-0930 | ND |
| 2014-07-22 | 9588-005-0950 | ND |
| 2015-07-28 | 9588-005-0947 | ND |
| 2015-09-16 | 9588-006-1010 | ND |
| 2016-07-13 | 9588-005-0907 | ND |
| 2016-10-18 | 9588-009-0950 | ND |
| 2017-04-14 | 9588-010-0928 | ND |
| 2017-07-19 | 9588-005-0915 | ND |
| 2018-07-20 | 9588-005-1000 | ND |
| 2018-07-20 | 9588-006-1014 | ND |
| 2019-07-22 | 9588-005-0919 | ND |
| 2019-10-23 | 9588-009-0850 | ND |