Silver
Lafourche Water District 1
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.
24
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-03 | AD88668 | ND |
| 2014-02-03 | AD88668 | ND |
| 2014-02-24 | AD89281 | ND |
| 2014-02-24 | AD89281 | ND |
| 2015-03-31 | 35181766005 | ND |
| 2015-03-31 | 35181766005 | ND |
| 2015-06-08 | 35192498004 | ND |
| 2015-06-08 | 35192498004 | ND |
| 2016-03-01 | 35232149001 | ND |
| 2016-03-01 | 35232149001 | ND |
| 2016-03-15 | 35234393005 | ND |
| 2016-03-15 | 35234393005 | ND |
| 2017-01-31 | 35292293005 | ND |
| 2017-01-31 | 35292293005 | ND |
| 2017-02-14 | 35295627001 | ND |
| 2017-02-14 | 35295627001 | ND |
| 2018-01-25 | 35370415009 | ND |
| 2018-01-25 | 35370415009 | ND |
| 2018-02-26 | 35377894001 | ND |
| 2018-02-26 | 35377894001 | ND |
| 2019-01-29 | 35445082001 | ND |
| 2019-01-29 | 35445082001 | ND |
| 2019-02-18 | 35449374001 | ND |
| 2019-02-18 | 35449374001 | ND |