Silver
Lafayette Utilities 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.
56
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 | 20 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 10 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-05 | AE20867 | ND |
| 2018-03-05 | AE20855 | ND |
| 2018-03-05 | AE20867 | ND |
| 2018-03-05 | AE20864 | ND |
| 2018-03-05 | AE20861 | ND |
| 2018-03-05 | AE20858 | ND |
| 2018-03-05 | AE20855 | ND |
| 2018-03-05 | AE20858 | ND |
| 2018-03-05 | AE20861 | ND |
| 2018-03-05 | AE20864 | ND |
| 2018-04-30 | AE21621 | ND |
| 2018-04-30 | AE21621 | ND |
| 2018-05-14 | AE21747 | ND |
| 2018-05-14 | AE21747 | ND |
| 2018-06-18 | AE21918 | ND |
| 2018-06-18 | AE21918 | ND |
| 2018-06-19 | AE21921 | ND |
| 2018-06-19 | AE21921 | ND |
| 2018-06-19 | AE21924 | ND |
| 2018-06-19 | AE21924 | ND |
| 2019-01-14 | B1900254-001 | ND |
| 2019-01-14 | B1900254-002 | ND |
| 2019-01-14 | B1900254-001 | ND |
| 2019-01-14 | B1900254-002 | ND |
| 2019-08-12 | B1903460-002 | ND |
| 2019-08-12 | B1903460-004 | ND |
| 2019-08-12 | B1903460-003 | ND |
| 2019-08-12 | B1903460-002 | ND |
| 2019-08-12 | B1903460-001 | ND |
| 2019-08-12 | B1903460-005 | ND |
| 2019-08-12 | B1903460-004 | ND |
| 2019-08-12 | B1903460-003 | ND |
| 2019-08-12 | B1903460-001 | ND |
| 2019-08-12 | B1903460-005 | ND |
| 2020-07-20 | B2003551-001 | ND |
| 2020-07-20 | B2003551-003 | ND |
| 2020-07-20 | B2003551-002 | ND |
| 2021-02-08 | B2100522-005 | ND |
| 2021-02-08 | B2100522-004 | ND |
| 2021-02-08 | B2100522-003 | ND |
| 2021-02-08 | B2100522-002 | ND |
| 2021-02-08 | B2100522-001 | ND |
| 2021-06-21 | B2102780-004 | ND |
| 2021-06-21 | B2102780-005 | ND |
| 2021-06-21 | B2102780-003 | ND |
| 2021-06-21 | B2102780-002 | ND |
| 2021-06-21 | B2102780-001 | ND |
| 2022-05-23 | B2202455-001 | ND |
| 2022-05-23 | B2202455-002 | ND |
| 2022-05-23 | B2202455-003 | ND |
| 2022-05-23 | B2202455-004 | ND |
| 2022-05-23 | B2202455-005 | ND |
| 2022-05-23 | B2202455-006 | ND |
| 2023-05-22 | B2302104-001 | ND |
| 2023-05-22 | B2302104-002 | ND |
| 2023-05-22 | B2302104-003 | ND |