Oregon Water Resources Department
Groundwater Information System Mapping Tool

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Nbr of Measured BLSD

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Observation Wells (Statewide)

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river_mile_anno_L12

rivemileannol12

river_mile_anno_L13

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river_mile_anno_L14

rivemileannol14

river_mile_anno_L15

rivermileannol15

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rivermileannol16

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NMFS 4(d) Rule

Division 33

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Statewide

Water Quality Limited Pollutant - 2018

ODFW Fish Habitat Distribution - 2018

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

Concern Ratings

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Wells with Excessively Declined or Declining Water Levels

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Exceeded Decline Permit Conditions

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Permit Applications found Beyond the Capacity of the Resource

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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

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>400

Estimated Minimum Well Yield for Irrigation

Insufficient Data

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Yield-Limited Townships

DOGAMI Geology

Faults

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Neogene sedimentary rocks

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High Lava Plains Volcanic Province

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Columbia River Basalt Group

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Keasey-Alsea Group

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Tyee Group

Whalecove-Gnat Creek Group

Yaquina-Pittsburg Bluff Group

Early Western Cascade Volcanics

Goble Group

John Day/Clarno Group

Late Western Cascade Volcanics

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Paleogene volcanic rocks

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Paleogene sedimentary rocks

Nevadan intrusives

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Baker Terrane

Condrey Mountain Terrane

Gold Beach Terrane

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Pueblo Mountain Metamorphic Complex

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1	15274	CROO0053636	Details	2	Log	01/22/2009	03/25/2025	3860	440	96138	Obs Well Non-Current	Columbia River Basalt-Picture Gorge Basalt	44.11909028	-120.05204167

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Hydrograph (wl count)

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Aquifer

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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