Oregon Water Resources Department
Groundwater Information System Mapping Tool

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Geology [x]

GW Concerns [x]

Hydrography [x]

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Nbr of Measured BLSD

1 - 50

51 - 100

101 - 300

301 - 500

501 - 1000

Observation Wells (Statewide)

Recorder Wells

Current Obs Wells

Non-Current Obs Wells

Other Wells

GW Points of Diversion

source_type

Sump

Well

Hydrography/River Miles

River anno

river_mile_anno_L12

rivemileannol12

river_mile_anno_L13

rivemileannol13

river_mile_anno_L14

rivemileannol14

river_mile_anno_L15

rivermileannol15

river_mile_anno_L16

rivermileannol16

Waterbodies

Marsh/wetland

Lakes/Reserviors

Glacier/icefield

Industrial pond

Rapids/Falls

Streams

Streams - streamcoded

Streams - no streamcode

Other Boundaries

Rule Boundaries

Withdrawn Authority

GW Restricted Subunits

Restrictively Classified Areas Within the Willamette Valley (Groundwater Limited Areas)

Other Restrictively Classified Areas

Critical Groundwater Areas

Groundwater Withdrawal Areas

Groundwater Mitigation Program Area

GW ODEQ Management Area

Lower Umatilla Basin

Northern Malheur County

Southern Willamette Valley

GW Umatilla Muni Wells (5 mile)

Irrigation Season of Use

NMFS 4(d) Rule

Division 33

Upper Columbia

Lower Columbia

Statewide

Water Quality Limited Pollutant - 2018

ODFW Fish Habitat Distribution - 2018

Deschutes Groundwater Study Area

Deschutes Mitigation Zones of Impact

Crooked River

Metolius River

Middle Deschutes River

Whychus Creek

Deschutes Zones Overlay

Little Deschutes

Upper Deschutes

State Scenic Waterways

State Scenic Contributing Areas

PLSS

PLSS (1:30K)

Townships

Sections

Quarter Quarter Sections

PLSS (1:100K)

Townships

Sections

Quarter Quarter Sections

PLSS (1:1M)

Townships

Sections

Donation Land Claims

GW Concerns

GW Restricted Areas

Mitigation Required above State Scenic Waterways with Measurably Reduced Flows

Deschutes Groundwater Mitigation Program

Area above Klamath, Rogue, and Illinois SSWs

Area above Grande Ronde, Wallawa, and Minam SSWs in Alluvium

Concern Ratings

Significant Concern

Concern

Yield-Limited

No Concerning Data

Indications of Excessive Groundwater Use

Wells with Excessively Declined or Declining Water Levels

3-5

6-10

>10

Wells with Moderately Declined Water Levels

3-5

6-10

>10

Exceeded Decline Permit Conditions

3-5

6-10

>10

Permit Applications found Beyond the Capacity of the Resource

3-5

6-10

>10

Availability of Hydraulically Connected SW

Hydraulic Connection Determinations in GW Technical Reviews

Blank: Insufficient Data

Majority Not Connected

Majority Connected Townships Colored as Below

Availability of Surface Water in August in Townships Typically Hydraulically Connected

Blank: insufficient Data

>75%

<=75%

Well Yields

Median Yield among Irrigation Wells (among>=3 tests)

Insufficient Data

0-50

<=100

<=150

<=200

<=400

>400

Estimated Minimum Well Yield for Irrigation

Insufficient Data

0-50

<=100

<=200

<=300

>300

Yield-Limited Townships

DOGAMI Geology

Faults

Folds

Geologic polygon contact lines

Group/Terrane

Quaternary Surficial Deposits

Quaternary Volcanics

Boring Volcanic Field

Late High Cascade Volcanics

Early High Cascade Volcanics

Dalles Group

Idaho Group

Neogene sedimentary rocks

Willamette Group

Early Winema Volcanic Field

Harney Basin Volcanic Field

High Lava Plains Volcanic Province

Kivett Volcanics

Lake Owyhee Volcanic Field

McDermitt Volcanic Field

Neogene volcanic rocks

Oregon-Idaho Graben

Powder River Volcanic Field

Quaternary Winema Volcanic Field

Northern Nevada Volcanics

Strawberry Volcanics

Winema Volcanic Field

Columbia River Basalt Group

Coastal alkalic basalts

Coastal intrusives group

Hembre Ridge-Three Rivers Group

Yachats-Tillamook Group

Astoria Group

Coaledo-Cowlitz Group

Elkton-Yamhill Group

Keasey-Alsea Group

Nestucca-Hamlet Group

Tyee Group

Whalecove-Gnat Creek Group

Yaquina-Pittsburg Bluff Group

Early Western Cascade Volcanics

Goble Group

John Day/Clarno Group

Late Western Cascade Volcanics

Little Butte Volcanics

Paleogene volcanic rocks

Siletz Terrane

Mitchell Group

Myrtle Group

Paleogene sedimentary rocks

Nevadan intrusives

Applegate Group

Baker Terrane

Condrey Mountain Terrane

Gold Beach Terrane

Grindstone Terrane

Mountain Home Complex

Olds Ferry Terrane

Pickett Peak Terrane

Pueblo Mountain Metamorphic Complex

Sexton Mountain Terrane

Sixes River Terrane

Snow Camp Terrane

Umpqua Group

Wallowa Terrane

Western Klamath Terrane

Yolla Bolly Terrane

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Oregon Water Resources Department Groundwater Information System Mapping Tool

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Public Land Survey System

Oregon Water Resources Department
Groundwater Information System Mapping Tool