Silver
City of Pampa
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.
11
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | 1.10 ppb | 1 | 1 | 1.10 ppb |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-25 | Q1423571021 | ND |
| 2015-12-01 | Q1547330004 | ND |
| 2016-03-15 | Q1610754003 | ND |
| 2016-03-15 | Q1610754004 | ND |
| 2016-03-15 | Q1610754014 | ND |
| 2017-01-31 | Q1704451004 | ND |
| 2017-04-26 | Q1716946002 | ND |
| 2018-04-18 | Q1816136001 | 1.10 ppb |
| 2019-02-13 | Q1906860001 | ND |
| 2019-02-13 | Q1906860009 | ND |
| 2019-05-15 | Q1925442005 | ND |