Prepared in cooperation with the Iowa Department of Natural Resources-Iowa Geological Survey, Iowa Department of Transportation, and Federal Agencies
This volume of the annual hydrologic data report of Iowa is one of a series of annual reports that document hydrologic data gathered from the U.S. Geological Survey.s surface- and ground-water data-collection networks in each State, Puerto Rico, and the Trust Territories. These records of streamflow, ground-water levels, and quality of water provide the hydrologic information needed by local, State, and Federal agencies, and the private sector for developing and managing our Nation.s land and water resources.
This report is the culmination of a concerted effort by dedicated personnel of the U.S. Geological Survey who collected, compiled, analyzed, verified, and organized the data, and who typed, edited, and assembled the report. The authors had primary responsibility for assuring that the information contained herein is accurate, complete, and adheres to Geological Survey policy and established guidelines.
Preface
Surface-water stations, in downstream order, for which records
are published in this volume
Discontinued surface-water discharge or stage-only stations
Discontinued surface-water quality stations
Introduction
Cooperation
Summary of hydrologic conditions
Precipitation
Special networks and programs
Explanation of Stage- and Water Discharge Records
Discontinued surface-water
Data Presentation
Identifying Estimated Daily Discharge
Accuracy of Field Data and Computed Results
Other Data Records Available
Explanation of Precipitation Records
Data Collection and Computation
Data Presentation
Explanation of Water-Quality Records
Collection and Examination of Data
Water Analysis
Surface-Water-Quality Records
Classification of Records
Accuracy of the Records
Arrangement of Records
On-Site Measurements and Sample Collection
Water Temperature
Sediment
Laboratory Measurements
Data Presentation
Remark Codes
Water-Quality Control Data
Blank Samples
Reference Samples
Replicate Samples
Spike Samples
Access to USGS Water Data
Definition of Terms
Techniques of Water-Resources Investigations of the U.S. Geological Survey.
Surface water records
Crest-stage partial-record stations
Index
Front of report (380KB)
Pages iii-xv (861KB)—Table of Contents (p. v) and Station List (p. vii+)
Pages 1-8 (845KB)
Pages 9-37 (720KB)
Pages 38-50 (2MB)
Pages 51-63 (1.7MB)
Pages 64-77 (2MB)
Pages 78-91 (2MB)
Pages 92-109 (2.4MB)
Pages 110-125 (2.1MB)
Pages 126-142 (2.3MB)
Pages 143-159 (2.2MB)
Pages 160-175 (2.3MB)
Pages 176-202 (3.6MB)
Pages 203-219 (2.4MB)
Pages 220-240 (2.8MB)
Pages 241-261 (2.8MB)
Pages 262-274 (2MB)
Pages 275-287 (1.7MB)
Pages 288-300 (1.8MB)
Pages 301-313 (1.8MB)
Pages 314-334 (2.9MB)
Pages 335-354 (2.7MB)
Pages 355-371 (2.2MB)
Pages 372-383 (1.5MB)
Pages 384-388 (803KB)
Pages 389-406 (2.6MB)
Pages 407-427 (2.6MB)
Pages 428-447 (2.7MB)
Pages 448-467 (2.6MB)
Pages 468-486 (2.5MB)
Pages 487-506 (945KB)
Please visit http://ia.water.usgs.gov/ for more information about USGS activities in Iowa.
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