Water Resources Data Iowa
Water Year 2004—Volume 2:
Ground Water and Quality of Precipitation

by G.M. Nalley, S. Michael Linhart, G.R. Littin, V.E. Miller, and K.S. Housel


Prepared in cooperation with the Iowa Department of Natural Resources-Iowa Geological Survey, Iowa Department of Transportation, and Federal agencies

U.S. Geological Survey Water-Data Report IA-04-2

This document is available in pdf format: Adobe Acrobat Icon WDR-IA-04-2 (6.5 MB)
(Requires Adobe Acrobat Reader)


Water resources data for Iowa for the 2004 water year consists of records of ground water levels and water quality of ground-water wells. This report volume contains water-level records for 163 ground-water observation wells; water-quality data for 147 municipal wells; and precipitation-quality data for 2 precipitation sites.

Table of Contents



Ground-Water Wells, by County, for which Records are Published in this Volume



Summary of Hydrologic Conditions


Ground-Water-Level Observation Network

Ground-Water Quality

Ground-Water Monitoring Network

Numbering system for wells and miscellaneous sites

Special Networks and Programs

Explanation of Ground-Water-Level Records

Data Collection and Computation

Data Presentation

Explanation of precipitation records

Data Collection and Computation

Data Presentation

Explanation of Water-Quality Records

Collection and Examination of Data

Water Analysis

Ground-Water-Quality Data

Data Collection and Computation

Laboratory Measurements

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

Ground-Water Levels

Ground-Water-Quality Monitoring Program.

Quality of Precipitation


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Water Resources of Iowa

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