Silver
City of Henderson
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.
26
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 | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-13 | 14010141-005 | ND |
| 2014-04-07 | 14040087-005 | ND |
| 2014-07-08 | 14070101-005 | ND |
| 2014-10-06 | 14100035-005 | ND |
| 2015-01-05 | 14120546-005 | ND |
| 2015-04-06 | 15040041-005 | ND |
| 2015-07-06 | 15070058-005 | ND |
| 2015-10-05 | 15100029-004 | ND |
| 2016-01-04 | 15120509-004 | ND |
| 2016-04-04 | 16030498-004 | ND |
| 2016-07-05 | S1601354001 | ND |
| 2016-10-03 | S1603871001 | ND |
| 2017-01-03 | S1606027001 | ND |
| 2017-04-03 | S1701101001 | ND |
| 2017-07-05 | S1702195001 | ND |
| 2017-10-03 | S1707053001 | ND |
| 2018-01-02 | S1709126001 | ND |
| 2018-04-03 | S1800045001 | ND |
| 2018-07-25 | S1804430001 | ND |
| 2018-10-02 | S1805049001 | ND |
| 2018-11-12 | S1806806001 | ND |
| 2019-01-07 | S1808185001 | ND |
| 2019-04-09 | S1902357001 | ND |
| 2019-05-14 | S1908728001 | ND |
| 2019-07-09 | S1917090001 | ND |
| 2019-10-22 | S1951221001 | ND |