Silver
Regional Water Authority
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.
132
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 | 26 | 0 | ND |
| 2019 | ND | 24 | 0 | ND |
| 2020 | ND | 25 | 0 | ND |
| 2021 | ND | 29 | 0 | ND |
| 2022 | ND | 14 | 0 | ND |
| 2023 | ND | 14 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-12 | IOC1 200489766 | ND |
| 2018-03-12 | IOCR 200489760 | ND |
| 2018-03-12 | IOCR 200489758 | ND |
| 2018-03-12 | IOCR 200489759 | ND |
| 2018-03-12 | IOCR 200489767 | ND |
| 2018-03-14 | IOCR 200489911 | ND |
| 2018-03-14 | IOC1 200489867 | ND |
| 2018-03-14 | IOC1 200489870 | ND |
| 2018-03-14 | IOC1 200489868 | ND |
| 2018-03-14 | IOC1 200489884 | ND |
| 2018-03-14 | IOC1 200489885 | ND |
| 2018-03-14 | IOC1 200489871 | ND |
| 2018-03-14 | IOC1 200489913 | ND |
| 2018-03-14 | IOC1 200489914 | ND |
| 2018-03-14 | IOCR 200489898 | ND |
| 2018-03-14 | IOCR 200489900 | ND |
| 2018-03-14 | IOCR 200489896 | ND |
| 2018-03-14 | IOCR 200489912 | ND |
| 2018-03-14 | IOCR 200489886 | ND |
| 2018-03-14 | IOCR 200489887 | ND |
| 2018-03-14 | IOCR 200489872 | ND |
| 2018-03-14 | IOCR 200489897 | ND |
| 2018-03-15 | IOCR 200490062 | ND |
| 2018-03-15 | IOCR 200490063 | ND |
| 2018-11-29 | IOC1 200514112 | ND |
| 2018-11-29 | IOCR 200514114 | ND |
| 2019-03-18 | IOC1 200524895 | ND |
| 2019-03-18 | IOCR 200524896 | ND |
| 2019-03-18 | IOCR 200524903 | ND |
| 2019-03-18 | IOCR 200524901 | ND |
| 2019-03-18 | IOCR 200524902 | ND |
| 2019-03-18 | IOCR 200524905 | ND |
| 2019-03-18 | IOCR 200524900 | ND |
| 2019-03-19 | IOCR 200525095 | ND |
| 2019-03-19 | IOC1 200525057 | ND |
| 2019-03-19 | IOC1 200525060 | ND |
| 2019-03-19 | IOC1 200525058 | ND |
| 2019-03-19 | IOC1 200525059 | ND |
| 2019-03-19 | IOC1 200525077 | ND |
| 2019-03-19 | IOC1 200525078 | ND |
| 2019-03-19 | IOC1 200525061 | ND |
| 2019-03-19 | IOC1 200525097 | ND |
| 2019-03-19 | IOC1 200525098 | ND |
| 2019-03-19 | IOCR 200525065 | ND |
| 2019-03-19 | IOCR 200525066 | ND |
| 2019-03-19 | IOCR 200525064 | ND |
| 2019-03-19 | IOCR 200525096 | ND |
| 2019-03-19 | IOCR 200525079 | ND |
| 2019-03-19 | IOCR 200525080 | ND |
| 2019-03-19 | IOCR 200525062 | ND |
| 2020-02-10 | IOC1 200565460 | ND |
| 2020-02-10 | IOCR 200565461 | ND |
| 2020-02-10 | IOCR 200565469 | ND |
| 2020-02-10 | IOCR 200565466 | ND |
| 2020-02-10 | IOCR 200565467 | ND |
| 2020-02-10 | IOCR 200565470 | ND |
| 2020-02-11 | IOC1 200565624 | ND |
| 2020-02-11 | IOC1 200565627 | ND |
| 2020-02-11 | IOC1 200565626 | ND |
| 2020-02-11 | IOC1 200565593 | ND |
| 2020-02-11 | IOC1 200565625 | ND |
| 2020-02-11 | IOC1 200565594 | ND |
| 2020-02-11 | IOC1 200565628A | ND |
| 2020-02-11 | IOCR 200565632 | ND |
| 2020-02-11 | IOCR 200565633 | ND |
| 2020-02-11 | IOCR 200565631 | ND |
| 2020-02-11 | IOC1 200565628 | ND |
| 2020-02-11 | IOCR 200565595 | ND |
| 2020-02-11 | IOCR 200565596 | ND |
| 2020-02-11 | IOCR 200565629 | ND |
| 2020-02-12 | IOCR 200565847 | ND |
| 2020-02-12 | IOCR 200565848 | ND |
| 2020-08-10 | IOCR 200585597 | ND |
| 2020-08-11 | IOCR 200585735 | ND |
| 2020-08-11 | IOCR 200585736 | ND |
| 2021-02-08 | IOCR 200605858 | ND |
| 2021-02-08 | IOCR 200605854 | ND |
| 2021-02-08 | IOCR 200605856 | ND |
| 2021-02-08 | IOCR 200605852 | ND |
| 2021-02-08 | IOCR 200605855 | ND |
| 2021-02-09 | IOC1 200606114 | ND |
| 2021-02-09 | IOC1 200606111 | ND |
| 2021-02-09 | IOC1 200606110 | ND |
| 2021-02-09 | IOC1 200606109 | ND |
| 2021-02-09 | IOC1 200605956 | ND |
| 2021-02-09 | IOC1 200605886 | ND |
| 2021-02-09 | IOC1 200605888 | ND |
| 2021-02-09 | IOC1 200606116 | ND |
| 2021-02-09 | IOC1 200605959 | ND |
| 2021-02-09 | IOC1 200605933 | ND |
| 2021-02-09 | IOCR 200606115 | ND |
| 2021-02-09 | IOCR 200606112 | ND |
| 2021-02-09 | IOCR 200606113 | ND |
| 2021-02-09 | IOCR 200605957 | ND |
| 2021-02-09 | IOCR 200605958 | ND |
| 2021-02-09 | IOCR 200605931 | ND |
| 2021-02-09 | IOCR 200605887 | ND |
| 2021-02-09 | IOCR 200605960 | ND |
| 2021-02-09 | IOCR 200605889 | ND |
| 2021-02-09 | IOCR 200606117 | ND |
| 2021-02-10 | IOCR 200606359 | ND |
| 2021-02-10 | IOCR 200606356 | ND |
| 2021-02-17 | IOCR 200606910 | ND |
| 2021-02-17 | IOC1 200606909 | ND |
| 2022-02-15 | E300145541 300145545 | ND |
| 2022-02-15 | E300145532 300145536 | ND |
| 2022-02-15 | E300145523 300145527 | ND |
| 2022-02-15 | E300145514 300145518 | ND |
| 2022-02-15 | E300145647 300145651 | ND |
| 2022-02-15 | E300145667 300145671 | ND |
| 2022-02-15 | E300145550 300145554 | ND |
| 2022-02-15 | E300145575 300145579 | ND |
| 2022-02-15 | E300145699 300145703 | ND |
| 2022-02-15 | E300145718 300145722 | ND |
| 2022-02-15 | I300145657 300145662 | ND |
| 2022-02-15 | I300145585 300145590 | ND |
| 2022-02-15 | I300145677 300145682 | ND |
| 2022-02-15 | I300145560 300145565 | ND |
| 2023-02-06 | E300305466 300305496 | ND |
| 2023-02-07 | E300305797 300305801 | ND |
| 2023-02-07 | I300305807 300305812 | ND |
| 2023-02-14 | E300309461 300309465 | ND |
| 2023-02-14 | E300309762 300309766 | ND |
| 2023-02-14 | E300309452 300309456 | ND |
| 2023-02-14 | E300309097 300309101 | ND |
| 2023-02-14 | E300309470 300309474 | ND |
| 2023-02-14 | E300309495 300309499 | ND |
| 2023-02-14 | E300309531 300309535 | ND |
| 2023-02-14 | E300309550 300309554 | ND |
| 2023-02-14 | I300309505 300309510 | ND |
| 2023-02-14 | I300309107 300309112 | ND |
| 2023-02-14 | I300309480 300309485 | ND |