Silver
Ventura Waterworks District No. 8 - Simi Valley
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.
10
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 | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-15 | 9588-013-1227 | ND |
| 2014-04-30 | 9588-011-1215 | ND |
| 2014-05-20 | 9588-012-0922 | ND |
| 2015-06-02 | 9588-011-0915 | ND |
| 2015-07-21 | 9588-007-1450 | ND |
| 2017-05-03 | 9588-013-1445 | ND |
| 2017-12-12 | 9588-011-1330 | ND |
| 2018-06-07 | 9588-007-1155 | ND |
| 2018-12-19 | 9588-011-1118 | ND |
| 2019-12-09 | 9588-011-1255 | ND |