Silver
Bi County WSC 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.
28
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | 1.58 ppb | 5 | 1 | ND - 7.90 ppb |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-02-05 | Q1504623002 | ND |
| 2015-02-05 | Q1504623001 | ND |
| 2015-02-05 | Q1504623036 | ND |
| 2015-02-05 | Q1504623021 | ND |
| 2015-04-16 | Q1514410017 | ND |
| 2016-04-19 | Q1615295013 | ND |
| 2016-04-19 | Q1615295012 | ND |
| 2016-04-19 | Q1615295020 | ND |
| 2016-10-06 | Q1642553018 | ND |
| 2016-10-06 | Q1642553017 | ND |
| 2016-10-06 | Q1642553016 | ND |
| 2017-01-05 | Q1700559027 | ND |
| 2017-01-05 | Q1700559028 | ND |
| 2017-01-05 | Q1700559005 | ND |
| 2017-03-29 | Q1713282012 | ND |
| 2017-03-29 | Q1713282011 | 7.90 ppb |
| 2018-01-09 | Q1800903038 | ND |
| 2018-01-09 | Q1800903037 | ND |
| 2018-01-09 | Q1800903036 | ND |
| 2018-01-09 | Q1800903035 | ND |
| 2018-01-09 | Q1800903034 | ND |
| 2019-01-15 | Q1902083025 | ND |
| 2019-01-15 | Q1902083024 | ND |
| 2019-01-15 | Q1902083023 | ND |
| 2019-01-15 | Q1902083022 | ND |
| 2019-01-15 | Q1902083021 | ND |
| 2019-01-15 | Q1902083020 | ND |
| 2019-06-11 | Q1934121007 | ND |