Wyoming State Water Plan
Wyoming State Water Plan
Wyoming Water Development Office
6920 Yellowtail Rd
Cheyenne, WY 82002
Phone: 307-777-7626
Wyoming Water Development Office
6920 Yellowtail Rd
Cheyenne, WY 82002
Phone: 307-777-7626
As authorized by the Wyoming Water Development Commission in its contract scope of work,
this planning document presents current and proposed (estimated) future uses of water in
Wyoming's Powder/Tongue River Basin. Uses to be inventoried include agricultural, municipal,
industrial, environmental, and recreation. Both surface and ground water uses, as well
as overall water quality are described. Given current uses, the availability of surface
and ground water to meet future requirements is estimated. To lay the groundwork for
future water development, a review of the current institutional and legal framework facing
such projects is presented. Finally, thoughts are given to guide implementation of the water
planning process.
The intent of this summary report is to describe the planning study in sufficient detail for the
reader to gain a general understanding of the investigations that were performed and the results
of those investigations. For detailed information on a specific topic the reader is directed to the
technical memorandum prepared for that topic. References used in preparing the technical
memoranda are not repeated in this summary report. These references are presented in the
individiual technical memoranda.
PDF (988kb) or HTML Executive Summary for the 2002 Powder/Tongue Wyoming River Basin Final Report
PDF (28,237kb) 2002 Powder/Tongue Wyoming River Basin Final Report
PDF (470kb) or HTML Cover Page and Table of Contents for the 2002 Powder/Tongue Wyoming River Basin Plan
PDF (1,304kb) or HTML The intent of this summary report is to describe the planning study in sufficient detail for the reader to gain a general understanding of the investigations that were performed and the results of those investigations.
PDF (10,166kb) or HTML This chapter describes and quantifies the current water uses in the Powder/Tongue River Basin planning area. The quantification of current water consumption is used to evaluate the overall use of water in the Basin relative to Compact allotments, for comparing existing water use to existing water supplies, and as a basis for projecting future water demands by the various uses.
PDF (14,521kb) or HTML This chapter presents estimates of the availability of surface water to meet future water uses and also characterizes the potential for ground water development.
PDF (363kb) or HTML For assessing the need for water into the future, this plan has developed estimates of water demand for each major use category out to year 2030. These estimates are discussed in detail in technical memoranda for each topic.
PDF (1,421kb) or HTML This chapter identifies future water use opportunities that can be implemented to satisfy the water demands in the Powder/Tongue River Basins in Wyoming. The list of opportunities presented in this report is intended to be used by individuals and organizations that need to develop a water supply to satisfy their specific needs.
HTML | Technical Memoranda | |
Chapter II | ||
Click for listing | Tab A - Irrigation Diversion Operation and Description | |
52 kb | 31 kb | Tab B - Irrigated Crops |
660 kb | 2,241 kb | Tab C - Irrigated Lands Mapping and Water Rights Data |
1,138 kb | 364 kb | Tab D - Agricultural Water Use |
144 kb | 347 kb | Tab E - Municipal Water Use |
113 kb | 287 kb | Tab F - Domestic Water Use |
231 kb | 440 kb | Tab G - Industrial Water Use |
141 kb | 243 kb | Tab H - Recreational Uses |
232 kb | 608 kb | Tab I - Environmental Uses |
Click for listing | Tab J - Storage Operation and Description | |
Chapter III | ||
Click for listing | Tab K - Surface Water Hydrology | |
1,244 kb | 1,470 kb | Tab L - Spreadsheet Model Development and Calibration |
534 kb | 221 kb | Tab M - Available Surface Water Determination |
Click for listing | Tab N - Available Ground Water Determination | |
Chapter IV | ||
186 kb | 63 kb | Tab O - Irrigation Water Needs and Demand Projections |
56 kb |
58 kb | Tab P - Population Projections |
153 kb | 149 kb | Tab Q - Industrial Water Needs Projections |
50 kb | 53 kb | Tab R - Future Recreational and Environmental Water Requirements |
Chapter V | ||
167 kb | 968 kb | Tab S - Future Water Use Opportunities |
19 kb | 36 kb | Tab T - Legal and Institutional Constraints |
359 kb | 602 kb | Tab U - Water Quality Issues |
There are twenty four spreadsheet workbooks, one for each of three hydrologic conditions and six distinct areas:
For further information including both a user's guide and engineering documentation of the models please refer to the Spreadsheet Model Development and Calibration.
Steps for Downloading the Models
The three workbooks (wet, dry and normal years) for each area are yoked together with a simple menu-driven graphical user interface (GUI), effectively creating four area models. In addition, the spreadsheet models are stored as zipped Microsoft Excel files using WinZip compression software. An evaluation version of WinZip may be downloaded at http://www.winzip.com/download.htm
Spreadsheet Models | |
Clear Creek Model | 3,386 kb compressed 20,202 kb uncompressed |
Crazy Woman Creek Model | 1,338 kb compressed 8,343 kb uncompressed |
Little Bighorn River Model | 640 kb compressed 4,333 kb uncompressed |
Little Powder River Model | 622 kb compressed 4,180 kb uncompressed |
Powder River Model | 1,621 kb compressed 11,114 kb uncompressed |
Tongue River Model | 2,359 kb compressed 14,198 kb uncompressed |