| Title | Oregon Water Quality Index Summary Report: Water Years 2011-2020 |
| Publication Type | Report |
| Year of Publication | 2021 |
| Authors | Oregon. Dept. of Environmental Quality. Laboratory and Environmental Assessment Division |
| Pagination | 6 p. |
| Date Published | 2021, Mar. |
| Institution | Oregon Dept. of Environmental Quality |
| City | Hillsboro, Or. |
| Call Number | Digital Open Access |
| Keywords | North Umpqua River, South Umpqua River, Umpqua River, water pollution, water quality |
| Notes | More information available at: https://www.oregon.gov/deq/wq/Pages/WQI.aspx |
| URL | https://www.oregon.gov/deq/wq/Documents/wqi2020dataSum.pdf |
