Silver
Hardin County Water District #2
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 3 | 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 |
|---|---|---|
| 2014-01-15 | 4010978-01 | ND |
| 2015-01-21 | 5012084-01 | ND |
| 2015-01-21 | 5010568-01 | ND |
| 2015-01-21 | 5012083-01 | ND |
| 2016-01-20 | 6010772-01 | ND |
| 2016-01-20 | 6010770-01 | ND |
| 2017-01-18 | 7011117-01 | ND |
| 2017-01-18 | 7011118-01 | ND |
| 2018-01-17 | 8010609-01 | ND |
| 2018-01-17 | 8010610-01 | ND |
| 2019-01-16 | 9010906-01 | ND |
| 2019-01-16 | 9010907-01 | ND |