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Benton County Water Project –
Maps and Figures

Maps and Tables

Maps

Zoning Overview Map - map shows the general zoning and associated land uses for Benton County to help determine areas of current and future water demands.

Conceptual "Block Diagram" - volunteer hydrogeologist Todd Jarvis donated his time and skills to complete this above and below ground artist conception of water resources in Benton County.

Principal Hydrogeologic Units of Benton County - this map was produced using United States Geologic Survey (USGS) geology maps from 2001 (Walker and Macleod), to determine the major groundwater geology (hydrogeology) of Benton County.

Major Surface Water Resources of Benton County - this map shows the major streams that were reviewed during Phase 1 of the Benton County Water Project.

Domestic Wells Density of Benton County - this map was produced using the well construction records (well logs) database provided by the State of Oregon Water Resources Department.  Note that these estimated density of domestic (exempt) wells is made at the section level, as this is the common level of detail that the locations of wells are recorded and easily visualized.

Drinking Water Sources - this map documents the locations where surface water and groundwater is diverted within Benton County

Public Drinking Water Source areas assessed by the State Drinking Water Program were compiled.

Willamette River Basin - Water Quality Map

Water Project Situation Map

Figures (new 11/20/08)

Benton County Population Changes, 1990-2007 - Data compiled from Portland State University, Population Research Center

Surface Water Rights Pie - Benton County 2008 - Data compiled from State Water Resources Department

Groundwater Rights Pie Chart - Benton County 2008 - Data compiled from State Water Resources Department

Storage Water Rights Pie Chart - Benton County 2008 - Data compiled from State Water Resources Department

Tables (new 11/20/08)

Municipal Water Rights within Benton County - 2008 - Data compiled from State Water Resources Department

Rural Water System Water Rights Benton County - 2008 - Data compiled from State Drinking Water Program

Listed Fish Species in Benton County Waterways - 2008 - Data compiled from Oregon Department of Fish and Wildlife

Resident Questionnaire Results - Benton County - Multiple choice responses from residents participating in the Phase 1 Water Project Community Meetings

Resident Questionnaire Results - Benton County - Open-ended responses from residents participating in the Phase 1 Water Project Community Meetings