Silver
City of Lake Charles Water System
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.
74
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 |
|---|---|---|---|---|
| 2012 | ND | 34 | 0 | ND |
| 2013 | ND | 2 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 32 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2012-04-30 | AD65279 | ND |
| 2012-04-30 | AD65274 | ND |
| 2012-04-30 | AD65269 | ND |
| 2012-04-30 | AD65264 | ND |
| 2012-04-30 | AD65259 | ND |
| 2012-04-30 | AD65279 | ND |
| 2012-04-30 | AD65259 | ND |
| 2012-04-30 | AD65264 | ND |
| 2012-04-30 | AD65269 | ND |
| 2012-04-30 | AD65274 | ND |
| 2012-05-29 | AD65734 | ND |
| 2012-05-29 | AD65739 | ND |
| 2012-05-29 | AD65729 | ND |
| 2012-05-29 | AD65724 | ND |
| 2012-05-29 | AD65724 | ND |
| 2012-05-29 | AD65719 | ND |
| 2012-05-29 | AD65729 | ND |
| 2012-05-29 | AD65734 | ND |
| 2012-05-29 | AD65719 | ND |
| 2012-05-29 | AD65739 | ND |
| 2012-07-23 | AD67943 | ND |
| 2012-07-23 | AD67938 | ND |
| 2012-07-23 | AD67933 | ND |
| 2012-07-23 | AD67953 | ND |
| 2012-07-23 | AD67953 | ND |
| 2012-07-23 | AD67948 | ND |
| 2012-07-23 | AD67943 | ND |
| 2012-07-23 | AD67938 | ND |
| 2012-07-23 | AD67933 | ND |
| 2012-07-23 | AD67948 | ND |
| 2012-10-08 | AD71678 | ND |
| 2012-10-08 | AD71668 | ND |
| 2012-10-08 | AD71668 | ND |
| 2012-10-08 | AD71678 | ND |
| 2013-03-20 | AD76236 | ND |
| 2013-03-20 | AD76236 | ND |
| 2015-03-23 | 35180731001 | ND |
| 2015-03-23 | 35180731003 | ND |
| 2015-03-23 | 35180731004 | ND |
| 2015-03-23 | 35180731005 | ND |
| 2015-03-23 | 35180731002 | ND |
| 2015-03-23 | 35180731005 | ND |
| 2015-03-23 | 35180731001 | ND |
| 2015-03-23 | 35180731002 | ND |
| 2015-03-23 | 35180731003 | ND |
| 2015-03-23 | 35180731004 | ND |
| 2015-07-27 | 35199384001 | ND |
| 2015-07-27 | 35199384005 | ND |
| 2015-07-27 | 35199384004 | ND |
| 2015-07-27 | 35199384003 | ND |
| 2015-07-27 | 35199384005 | ND |
| 2015-07-27 | 35199384004 | ND |
| 2015-07-27 | 35199384003 | ND |
| 2015-07-27 | 35199384002 | ND |
| 2015-07-27 | 35199384002 | ND |
| 2015-07-27 | 35199384001 | ND |
| 2015-08-03 | 35200616005 | ND |
| 2015-08-03 | 35200616004 | ND |
| 2015-08-03 | 35200616002 | ND |
| 2015-08-03 | 35200616001 | ND |
| 2015-08-03 | 35200616001 | ND |
| 2015-08-03 | 35200616002 | ND |
| 2015-08-03 | 35200616003 | ND |
| 2015-08-03 | 35200616004 | ND |
| 2015-08-03 | 35200616005 | ND |
| 2015-08-03 | 35200616003 | ND |
| 2015-09-21 | 35208328005 | ND |
| 2015-09-21 | 35208328005 | ND |
| 2017-12-18 | AE20287 | ND |
| 2017-12-18 | AE20279 | ND |
| 2017-12-18 | AE20283 | ND |
| 2017-12-18 | AE20287 | ND |
| 2017-12-18 | AE20279 | ND |
| 2017-12-18 | AE20283 | ND |