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Mississippi Water Science Center

Water Resources Data
Water Year 2005

By Fred Morris III, Michael S. Runner, Kenneth E. Burks, Michael A. Manning

U.S. Geological Survey
Water-Data Report MS-05-1


The Water Resources Discipline (WRD) of the U.S. Geological Survey (USGS), in cooperation with State, county, municipal, and other Federal agencies, obtains a large amount of data pertaining to the water resources of Mississippi each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding of the water resources of the State. To make these data readily available to interested parties outside the U.S. Geological Survey, the data are published annually in this report series entitled "Water Resources Data - Mississippi."

Water resources data for this water year for Mississippi consists of records of surface water and ground water in the State. Specifically, it contains: (1) Discharge records for 85 streamflow-gaging stations, stage records for 17 of these gaging stations, discharge records for 101 partial-record stations or miscellaneous streamflow sites, including 8 flood hydrograph partial-record stations, 93 crest-stage partial-record stations and 0 special study and miscellaneous sites; (2) stage only at 2 gaging station; (3) water-quality records for 12 streamflow-gaging stations, 11 stage-only stations, 2 water-quality monitor stations, 0 partial-record stations or miscellaneous sites, 64 short-term study sites, and 30 wells; and (4) water-level records for 20 observation wells. Records obtained from water-resources investigations are also included in special sections of the report. Records included for stream stages are only a small fraction of those obtained during the water year.

This series of annual reports for Mississippi began with the 1961 water year with a report that contained only data relating to the quantities of surface water. For the 1964 water year, a similar report was introduced that contained only data relating to water quality. Beginning with the 1975 water year, the report format was changed to present, in one volume, data on quantities of surface water, quality of surface and ground water, and ground-water levels.

Prior to introduction of this series and for several water years concurrent with it, water-resources data for Mississippi were published in U.S. Geological Survey Water-Supply Papers. Data on stream discharge and stage and on lake or reservoir contents and stage, through September 1960, were published annually under the title "Surface-Water Supply of the United States, Parts 2B, 3B and 7." For the 1961 through 1970 water years, the data were published in two 5-year reports. Data on chemical quality, temperature, and suspended sediment for the 1941 through 1970 water years were published annually under the title "Quality of Surface Waters of the United States," and water levels for the 1935 through 1974 water years were published under the title "Ground-Water Levels in the United States." The above mentioned Water-Supply Papers may be consulted in the libraries of the principal cities of the United States and may be purchased from U.S. Geological Survey Information Service Center, Box 25286, Denver, CO 80225.

Publications similar to this report are published annually by the U.S. Geological Survey for all States. These official USGS reports have an identification number consisting of the two-letter State abbreviation, the last two digits of the water year, and the volume number; for example, "U.S. Geological Survey Water-Data Report MS-75-1." For archiving and general distribution, the reports for 1971-74 water years also are identified as water-data reports. These water-data reports are for sale in paper copy or in microfiche by the National Technical Information Service, U.S. Department of Commerce, Springfield, VA 22161.

Table of Contents


Report documentation page

Surface-water stations, in downstream order, by which records are published

Ground-water stations for which records are published

Discontinued surface-water-discharge or -stage-only stations

Discontinued surface-water-quality stations



Summary of hydrologic conditions

Surface water


Water quality

Ground water

Ground-water levels

Downstream order and station number

Numbering system for wells and miscellaneous sites

Special networks and programs

Explanation of stage- and water-discharge records

Data collection and computation

Data presentation

Station manuscript

Peak discharge greater than base discharge

Data table of daily mean values

Statistics of monthly mean data

Summary statistics

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


Laboratory measurements

Data presentation

Fixed value parameter codes

Water-quality control data

Blank samples

Reference samples

Replicate samples

Spike samples

Explanation of ground-water-level records

Site identification numbers

Data collection and computation

Data presentation

Water-level tables


Ground-water-quality data

Data collection and computation

Laboratory measurements

Access to USGS water data

Definition of terms

Surface-water records

Discharge at partial-record stations

Flood hydrograph partial-record stations

Crest-stage partial-record stations

Water-quality data collected during short-term studies

Ground-water records




1.   Bacteriological sampling sites in three coastal Mississippi counties
2.   Bacteriological sampling sites in Hancock County, Mississippi
3.   Bacteriological sampling sites in Harrison County, Mississippi

4-6 Maps showing

4.   Bacteriological sampling sites in Jackson County, Mississippi
5.   Water-quality sampling sites in southeastern Mississippi
6.   Water-quality sampling sites in southeastern Mississippi

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