Water Resources Data, Iowa, Water Year 2005--Volume 1.

by Greg M. Nalley, Joseph G. Gorman, Robert D. Goodrich, Greg R. Littin, S. Michael Linhart, Von E. Miller, and Kevin S. Housel


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Water resources data for Iowa for the 2005 water year consists of records of stage, discharge, and water quality of streams; stage, and/or contents of lakes and reservoirs; ground-water levels and water quality of ground-water wells and precipitation. This report volume contains discharge records for 136 gaging stations; stage or contents for 9 lakes and reservoirs and 6 streams; water quality for 18 stream-gaging stations; sediment records for 7 stream-gaging stations; precipitation record for 7 precipitation stations; peak-flow data for 88 crest-stage partial-record stations; water levels for 24 ground-water observation wells; water-quality data for 154 municipal wells; and precipitation-quality data from 2 precipitation sites.

Table of Contents


Surface-water stations, in downstream order, for which records are published in this volume

Ground-water wells, by county, for which records are published in this volume

Discontinued surface-water discharge or stage-only stations

Discontinued surface-water-quality stations



Summary of Hydrologic Conditions


Ground-Water-Level Observation Network

Downstream Order and Station Number

Numbering System for Wells and Miscellaneous Sites

Special Network and Programs

Explanation of Stage- and Water Discharge Records

Data Collection and Computation

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

Onsite Measurements and Sample Collection

Water Temperature


Laboratory Measurements

Data Presentation

Remark Codes

Water-Quality Control Data

Blank Samples

Reference Samples

Replicate Samples

Spike Samples

Explanation of Ground-Water-Level Records

Water-Level Tables


Ground-Water Quality Data

Data Collection and Computation

Laboratory Measurements

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

Ground Water Levels

Quality of Ground Water.

Crest-stage partial-record stations

Quality of Precipitation


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Water Resources of Iowa

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