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County Boundaries of Iowa
State of Iowa —
This dataset contains commonly used codes for counties and polygons representing boundaries for counties of the State of Iowa. Boundaries were developed from a set... -
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Major Water Sources in Iowa - Streams
State of Iowa —
The Major Water Sources list was created by IDNR to address concerns that new confinements would be constructed within view of "floatable/canoeable" rivers. The... -
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Fish Kill Database
State of Iowa —
Fish kills have become a focus of public attention as more interest is placed on the quality and condition of Iowa's streams and rivers. The Integrated Report, which... -
State
BioNet
State of Iowa —
Since 1994, the Iowa Department of Natural Resources and the State Hygienic Laboratory (SHL) have sampled fish and benthic macroinvertebrates across the state to... -
State
Scenic_Byways
State of Iowa —
List of Iowa's Byways™ in the State of Iowa to include Delaware Crossing, Driftless Area, Glacial Trail, Grant Wood, Historic Hills, Iowa Valley, River Bluffs,... -
State
Major Water Sources in Iowa - Lakes
State of Iowa —
The Major Water Sources list was created by IDNR to address concerns that new confinements would be constructed within view of "floatable/canoeable" rivers. The... -
State
Iowa Fishing Report
State of Iowa —
The Iowa Department of Natural Resources issues a weekly fishing report on Thursdays in an effort to provide the latest information heading into the weekend. The... -
State
Use Assessment & Attainability Analysis
State of Iowa —
As part of bringing Iowa’s water quality standards into compliance with the federal Clean Water Act, the Iowa Department of Natural Resources assigns designated uses... -
State
Paddling Routes
State of Iowa —
This file represents paddling (canoe and kayak) route segments for major rivers in the state of Iowa. Full Metadata:... -
State
Iowa Source Water Protection Tracker and Mapper
State of Iowa —
Source Water is a lake, stream, river or aquifer where drinking water is obtained. Source Water Protection (SWP) is the act of preventing contaminants from entering... -
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ADBNet - Water Quality Assessment Database
State of Iowa —
ADBNet is an online database tracking Iowa's water quality assessments. These assessments are prepared under guidance provided by the US EPA under Section 305b of... -
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2016 Impaired Streams of Iowa
State of Iowa —
This dataset contains line work representing streams and rivers listed as "impaired" in Iowa's 2016 Section 305(b) Water Quality Assessment and the 303(d) Impaired... -
State
Iowa AQuIA Water Quality Database
State of Iowa —
The Iowa Department of Natural Resources is responsible for developing and delivering consistent, unbiased information about the condition of Iowa's surface and...