Silver
Mansfield Water System
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.
21
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 | 4 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | 8.00 ppb | 4 | 2 | ND - 22.0 ppb |
| 2022 | ND | 3 | 0 | ND |
| 2023 | 1.86 ppb | 7 | 1 | ND - 13.0 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-03 | 35384985001 | ND |
| 2018-04-03 | 35384985001 | ND |
| 2018-04-19 | 35387645001 | ND |
| 2018-04-19 | 35387645001 | ND |
| 2019-03-13 | 35454725001 | ND |
| 2019-03-13 | 35454725001 | ND |
| 2020-02-03 | B2000555-001 | ND |
| 2021-03-03 | B2101021-001 | 22.0 ppb |
| 2021-03-31 | B2101620-001 | 10.00 ppb |
| 2021-08-18 | B2104128-001 | ND |
| 2021-12-09 | B2106616-001 | ND |
| 2022-02-22 | B2200830-001 | ND |
| 2022-05-19 | B2202493-001 | ND |
| 2022-11-09 | B2205453-001 | ND |
| 2023-02-07 | B2300548-001 | ND |
| 2023-06-07 | B2302408-001 | ND |
| 2023-08-21 | B2303429-001 | 13.0 ppb |
| 2023-10-09 | B2304510-001 | ND |
| 2023-10-09 | B2304510-002 | ND |
| 2023-10-09 | B2304510-003 | ND |
| 2023-11-20 | B2305057-001 | ND |