Export 12 results:
Filters: Author is Oregon. Dept. of Environmental Quality,  [Clear All Filters]
2023
Oregon. Dept. of Environmental Quality. Oregon's 2022 Integrated Report. Portland, Or.: Oregon Dept. of Environmental Quality, 2023.
→ www.oregon.gov/deq/wq/Pages/epaApprovedIR.aspx
2022
Oregon. Dept. of Environmental Quality. Water Quality Index. Hillsboro, Or., 2022.
→ www.oregon.gov/deq/wq/Pages/WQI.aspx
2014
Oregon. Dept. of Environmental Quality. Umpqua Basin Status Report and Action Plan. Portland, Or.: Oregon Dept. of Environmental Quality, 2014.
→ www.oregon.gov/deq/FilterDocs/BasinlUmpquaAssess.pdf
2012
Oregon. Dept. of Environmental Quality. Oregon's 2012 Integrated Report., 2012.
→ www.deq.state.or.us/wq/assessment/rpt2012/search.asp
2010
Oregon. Dept. of Environmental Quality. Oregon's 2010 Integrated Report., 2010.
→ www.deq.state.or.us/wq/assessment/rpt2010/search.asp
2001
Heberling, Paul, Bibbi Lindberg, Umpqua National Forest, U.S. Bureau of Land Management, and Oregon. Dept. of Environmental Quality. Little River Watershed TMDL. [Portland, Or]: Oregon Department of Environmental Quality, 2001.
→ digital.osl.state.or.us/islandora/object/osl%3A34987
Oregon. Dept. of Environmental Quality. Little River Watershed TMDL. Appendix B : Little River pH Model. [Portland, Or.]: Oregon Dept. of Environmental Quality, 2001.
→ digital.osl.state.or.us/islandora/object/osl%3A34989
1998
Oregon. Dept. of Environmental Quality. Public Comment Draft, Oregon's 1998 Section 303(d) Decision Matrix : Oregon's Criteria Used for Listing Waterbodies & Basin Maps. [Portland, Or.]: Oregon Dept. of Environmental Quality, 1998.
1997
Boyd, Matthew, Debra Sturdevant, and Oregon. Dept. of Environmental Quality. Scientific Basis for Oregon's Stream Temperature Standard: Common Questions and Straight Answers. Oregon Department of Environmental Quality, 1997.
→ www.waterboards.ca.gov/water_issues/programs/tmdl/docs/303d_policydocs/167.pdf
1978
Oregon. Dept. of Environmental Quality, and David A. Rickert. Oregon's Statewide Assessment of Nonpoint Source Problems. [Oregon Department of Environmental Quality], 1978.
Oregon. Dept. of Environmental Quality, U. S. Environmental Protection Agency Region X, and Oregon. National Guard. Report on Diamond Lake, Douglas County, Oregon : EPA Region X In Working Paper (United States. National Eutrophication Survey). Corvallis, Or.: Corvallis Environmental Research Laboratory, 1978.
→ tinyurl.com/8z5chxdb
1969
Oregon. Dept. of Environmental Quality. Water Quality Standards for Umpqua River Basin, Oregon. Dept. of Environmental Quality, 1969.