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Open-File Report 2009–1214

Prepared in cooperation with the Missouri Department of Natural Resources

Quality of Surface Water in Missouri, Water Year 2008

By William Otero-Benítez and Jerri V. Davis

Thumbnail of and link to report PDF (1.5 MB)


The U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources, designed and operates a series of monitoring stations on streams throughout Missouri known as the Ambient Water-Quality Monitoring Network. During the 2008 water year (October 1, 2007, through September 30, 2008), data were collected at 67 stations, including two U.S. Geological Survey National Stream Quality Accounting Network stations and one spring sampled in cooperation with the U.S. Forest Service. Dissolved oxygen, specific conductance, water temperature, suspended solids, suspended sediment, fecal coliform bacteria, Escherichia coli bacteria, dissolved nitrate plus nitrite, total phosphorus, dissolved and total recoverable lead and zinc, and selected pesticide data summaries are presented for 64 of these stations. The stations primarily have been classified into groups corresponding to the physiography of the State, primary land use, or unique station types. In addition, a summary of hydrologic conditions in the State including peak discharges, monthly mean discharges, and seven-day low flow is presented.

Posted October 19, 2009

For additional information contact:
Director, USGS Missouri Water Science Center
1400 Independence Road, MS 100
Rolla, MO 65401
(573) 308–3667

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Suggested citation:

Otero-Benítez, W., and Davis, J.V., 2009, Quality of surface water in Missouri, water year 2008: U.S. Geological Survey Open-file Report 2009–1214, 18 p.




The Ambient Water-Quality Monitoring Network

Laboratory Reporting Conventions

Data Analysis Methods

Station Classification for Data Analysis

Summary of Hydrologic Conditions

Distribution, Concentration, and Detection Frequency of Selected Constituents

References Cited

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