Silver
Assumption Parish Waterworks 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.
18
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 | 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 |
|---|---|---|
| 2014-02-03 | AD88658 | ND |
| 2014-02-03 | AD88658 | ND |
| 2014-04-14 | AD90506 | ND |
| 2014-04-14 | AD90506 | ND |
| 2014-07-21 | AD93828 | ND |
| 2014-07-21 | AD93828 | ND |
| 2014-10-06 | AD98330 | ND |
| 2014-10-06 | AD98330 | ND |
| 2015-03-31 | 35181766003 | ND |
| 2015-03-31 | 35181766003 | ND |
| 2016-03-15 | 35234393001 | ND |
| 2016-03-15 | 35234393001 | ND |
| 2017-01-31 | 35292293003 | ND |
| 2017-01-31 | 35292293003 | ND |
| 2018-01-25 | 35370415008 | ND |
| 2018-01-25 | 35370415008 | ND |
| 2019-01-29 | 35445085001 | ND |
| 2019-01-29 | 35445085001 | ND |