Incorporation of water-use summaries into the StreamStats web application for Maryland

Kernell G. Ries; Marilee A. Horn; Mark R. Nardi; Steven Tessler

doi:10.3133/sir20105111

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Incorporation of water-use summaries into the StreamStats web application for Maryland

Kernell G. Ries·Marilee A. Horn·Mark R. Nardi·Steven Tessler

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Abstract

Approximately 25,000 new households and thousands of new jobs will be established in an area that extends from southwest to northeast of Baltimore, Maryland, as a result of the Federal Base Realignment and Closure (BRAC) process, with consequent new demands on the water resources of the area. The U.S. Geological Survey, in cooperation with the Maryland Department of the Environment, has extended the area of implementation and added functionality to an existing map-based Web application named StreamStats to provide an improved tool for planning and managing the water resources in the BRAC-affected areas. StreamStats previously was implemented for only a small area surrounding Baltimore, Maryland, and it was extended to cover all BRAC-affected areas. StreamStats could provide previously published streamflow statistics, such as the 1-percent probability flood and the 7-day, 10-year low flow, for U.S. Geological Survey data-collection stations and estimates of streamflow statistics for any user-selected point on a stream within the implemented area. The application was modified for this study to also provide summaries of water withdrawals and discharges upstream from any user-selected point on a stream. This new functionality was made possible by creating a Web service that accepts a drainage-basin delineation from StreamStats, overlays it on a spatial layer of water withdrawal and discharge points, extracts the water-use data for the identified points, and sends it back to StreamStats, where it is summarized for the user. The underlying water-use data were extracted from the U.S. Geological Survey's Site-Specific Water-Use Database System (SWUDS) and placed into a Microsoft Access database that was created for this study for easy linkage to the Web service and StreamStats. This linkage of StreamStats with water-use information from SWUDS should enable Maryland regulators and planners to make more informed decisions on the use of water resources in the BRAC area, and the technology should be transferrable to other geographic areas.

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Source-reported bounding extent: 38.63333333333333° to 39.86666666666667° latitude; -77.25° to -75.45° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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Kernell G. Ries, Marilee A. Horn, Mark R. Nardi, Steven Tessler. 2010-09-28. Incorporation of water-use summaries into the StreamStats web application for Maryland. https://doi.org/10.3133/sir20105111

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