Silver
Twin Lakes Water Works Corporation
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.
16
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 |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | 0.500 ppb | 4 | 1 | ND - 2.00 ppb |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-22 | AU03751-INS | ND |
| 2020-06-02 | AW10200-INS | ND |
| 2020-06-02 | AW10202-INS | ND |
| 2020-10-14 | AW19900-INS | ND |
| 2021-05-21 | CI37078-INS | ND |
| 2021-06-09 | AX11168-INS | ND |
| 2021-06-09 | AX11166-INS | 2.00 ppb |
| 2021-10-06 | AX20390-INS | ND |
| 2022-06-07 | AY09592-INS | ND |
| 2022-06-07 | AY09590-INS | ND |
| 2022-06-07 | AY09592-INP | ND |
| 2022-06-07 | AY09590-INP | ND |
| 2022-10-04 | AY17875-INS | ND |
| 2023-05-10 | AZ08444-INS-1 | ND |
| 2023-05-10 | AZ08442--INS | ND |
| 2023-12-13 | AZ22568-INS | ND |