Data Sources

Molalla-specific Studies

  1. The ODEQ Updated Source Water Assessments: Canby, Molalla, and Colton – https://www.deq.state.or.us/wq/dwp/docs/uswareports/USWA_00157Canby.pdfhttps://www.deq.state.or.us/wq/dwp/docs/uswareports/USWA_00534Molalla.pdf, and https://www.deq.state.or.us/wq/dwp/docs/uswareports/USWA_00202Colton.pdf
  2. Molalla-Pudding-French Prairie-North Santiam Agricultural Water Quality Management Area Plan (2016), Biennial review (2016) and Administrative rules (2002) – https://www.oregon.gov/ODA/programs/NaturalResources/AgWQ/Pages/AgWQPlans.aspx
  3. DEQ Water Quality Status and Trends report for the Molalla-Pudding French Prairie North Santiam AgWQ Management Area –
    https://www.oregon.gov/deq/FilterDocs/wqstaMolPudding.pdf
  4. Molalla-Pudding Subbasin TMDL – https://www.oregon.gov/deq/wq/tmdls/Pages/TMDLs-Willamette-Basin.aspx
  5. USGS – Geomorphic Setting, Aquatic Habitat and Water Quality Conditions of the Molalla River 2009-10. Carpenter, K. et al. – https://pubs.usgs.gov/sir/2012/5017/pdf/sir20125017.pdf
  6. Lower Molalla River and Milk Creek Watershed Assessment, ABR, Inc. for Molalla River Watch, 2004 – https://nrimp.dfw.state.or.us/web%20stores/data%20libraries/files/OWEB/OWEB_926_2_Lower%20Molalla%20and%20Milk%20Creek%20WS%20Assess%20pt1of3.pdf
  7. Middle and Lower Molalla River Restoration Action Plan, Cascade Environmental Group, LLC, 2011 – http://www.cascadeenv.com/uploads/2/6/7/1/26715715/molalla_river_plan_final_2011_print_double_side_compressed.pdf
  8. Susan Amelia Wherry, Climate Change Effects and Water Vulnerability in the Molalla Pudding River Basin, Oregon, USA, 2012 – https://pdxscholar.library.pdx.edu/open_access_etds/556/
  9. White Paper: The Ecological and Recreational Benefits of the Molalla River, American Rivers & Native Fish Society 2009 – http://www.molallariveralliance.org/pdf/Molalla_Final_Report.pdf

SWP Planning

  1. ODEQ Source Water Protection Plan link – https://www.deq.state.or.us/wq/dwp/swrpts.asp
  2. The general planning process for development of an area-wide plan is documented in the National Planning Procedures Handbook (NPPH), Subpart F – Area-wide Conservation Planning – https://directives.sc.egov.usda.gov/OpenNonWebContent.aspx?content=36483.wba
  3. American Water Works Association/ANSI G300 standard for source water protection – https://store.awwa.org/store/productdetail.aspx?productid=39814230
  4. National Management Measures to Control Nonpoint Source Pollution from Agriculture, 2003 – https://www.epa.gov/nps/national-management-measures-control-nonpoint-source-pollution-agriculture

Willamette Basin Studies

  1. Distribution of Dissolved Pesticides and Other Water Quality Constituents in Small Streams, and their Relation to Land Use, in the Willamette River Basin, Oregon, 1997 – https://pubs.usgs.gov/wri/1997/4268/report.pdf
  2. Simulation of Groundwater Flow and the Interaction of Groundwater and Surface Water in the Willamette Basin and Central Willamette Subbasin, Oregon, 2014 – https://pubs.usgs.gov/sir/2014/5136/pdf/sir20145136.pdf
  3. Eugene Water and Electric Board: Nonpoint Source Pollution Assessment and Evaluation Results for the McKenzie River Watershed, Oregon, 2006
  4. Reconnaissance of Land-Use Sources of Pesticides in Drinking Water, McKenzie River, Oregon, 2012 – https://pubs.usgs.gov/sir/2012/5091/pdf/sir20125091.pdf
  5. Ground-water hydrology of the Willamette basin, Oregon, 2005 – https://pubs.usgs.gov/sir/2005/5168/
  6. Estimates of ground-water recharge, base flow, and stream reach gains and losses in the Willamette River basin, Oregon, 2002 – https://pubs.usgs.gov/wri/2001/4215/wri01-4215.pdf
  7. Environmental Setting of the Willamette Basin, Oregon, 1999 – https://pubs.er.usgs.gov/publication/wri974082A
  8. Water quality in the Willamette Basin, Oregon, 1991-95 – https://pubs.usgs.gov/circ/circ1161/
  9. Geologic framework of the Willamette Lowland aquifer system, Oregon and Washington, 1998 – https://pubs.usgs.gov/pp/1424a/report.pdf
  10. Hydrogeologic framework of the Willamette Lowland aquifer system, Oregon and Washington, 1998 – https://pubs.usgs.gov/pp/1424b/report.pdf
  11. Seasonal and spatial variability of nutrients and pesticides in streams of the Willamette Basin, Oregon, 1993-95, 1998 – https://pubs.usgs.gov/wri/1997/4082c/report.pdf
  12. Willamette Basin, Oregon; nitrogen in streams and ground water, 1980-90 – https://pubs.usgs.gov/of/1996/0227/report.pdf

Clackamas Drinking Water Studies

  1. Clackamas Watershed Resilience: Phase I Report. (Climate Change Study). Report prepared by PSU for Clackamas River Water Providers, 2018 – http://www.clackamasproviders.org/wp-content/uploads/2019/01/CWR_Phase_1_Report.pdf
  2. The Clackamas River Water Providers Drinking Water Protection Plan for the Clackamas River, 2010 – http://www.clackamasproviders.org/resource/
  3. Clackamas River Basin Pollutant Load Modeling Tool. Prepared for Clackamas River Water Providers by Geosyntec, 2014 – http://www.clackamasproviders.org/wp-content/uploads/2014/10/CRWP-PLMT-Report.pdf
  4. Herrera Environmental Consultants, Inc. Clackamas River Drinking Water Risk Analysis Final Memos, 2012 – http://www.clackamasproviders.org/resource/
    • Executive Summary
    • Septic Systems Analysis
    • Agricultural Analysis
    • Forestry Analysis
    • Urban Development Analysis
    • Vulnerable Soils Analysis
    • Point Source Pollution Analysis
    • Watershed Emergency Response System
    • Hazardous Material Spill Analysis
    • Updated GIS Hazardous Materials Spill Risk Analyses Results and Recommendations
  5. Seepage Investigations of the Clackamas River, Oregon, 2011 – https://pubs.usgs.gov/sir/2011/5191/pdf/sir20115191.pdf
  6. Pesticide Occurrence and Distribution in the Lower Clackamas River Basin, Oregon, 2000-2005 – http://pubs.usgs.gov/sir/2008/5027/
  7. USGS Pesticides in the Lower Clackamas River Basin, Oregon, 2000-01 – http://pubs.usgs.gov/wri/wri034145/
  8. Organic Compounds in Clackamas River Water Used for Public Supply near Portland, Oregon, 2003–05 – https://pubs.usgs.gov/fs/2009/3030/pdf/fs20093030.pdf
  9. Water-quality and algal conditions in the Clackamas River basin, Oregon, and their relations to land and water management, 2003 – https://pubs.usgs.gov/wri/WRI02-4189/
  10. Sources and Characteristics of Organic Matter in the Clackamas River, Oregon, Related to the Formation of Disinfection By-Products in Treated Drinking Water, 2103 – https://pubs.usgs.gov/sir/2013/5001/pdf/sir20135001.pdf

Other Regional Studies

  1. Application of the SPARROW Model to Assess Surface-Water Nutrient Conditions and Sources in the United States Pacific Northwest, 2013 – https://pubs.usgs.gov/sir/2013/5103/pdf/sir20135103.pdf
  2. Phosphorus and Groundwater: Establishing Links Between Agricultural Use and Transport to Streams, 2012 – https://pubs.usgs.gov/fs/2012/3004/pdf/fs20123004.pdf
  3. Discrete and Continuous Water-Quality Data and Hydrologic Parameters from Seven Agricultural Watersheds in the United States, 2002–09, 2011 – https://pubs.usgs.gov/ds/603/pdf/ds603.pdf
  4. Statistical Comparisons of Watershed-Scale Response to Climate Change in Selected Basins across the United States, 2011 – https://journals.ametsoc.org/doi/pdf/10.1175/2010EI364.1
  5. Water Supply, Demand, and Quality Indicators for Assessing the Spatial Distribution of Water Resource Vulnerability in the Columbia River Basin, 2013 – https://core.ac.uk/download/pdf/37766699.pdf
  6. Surface-water nutrient conditions and sources in the United States Pacific Northwest, 2011 – https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1752-1688.2011.00580.x
  7. Trends in pesticide concentrations in streams of the western United States, 1993-2005, 2011 – https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1752-1688.2010.00507.x

Additional Information Sources

If you are aware of additional information sources not included above, please share that resource with the project team!

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