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Engineering - Floodplain | 206 W. Church St. | P.O. Box 534045 | Grand Prairie, TX 75053
Phone 972-237-8157 | Fax 972-237-8116

The City of Grand Prairie is about learning lessons from the past and using these lessons to prepare for the future. The City has a history of flooding problems. Documented large floods have occurred across the City many times, including 1908, 1932, 1957, 1968, 1976, 1981, 1989, 1990, 1991, 2006, and 2007. Many other smaller floods have occurred multiple times throughout the years, sometimes affecting large areas of the City or more localized areas.

There are over 19,000 acres of floodplain in the City of Grand Prairie. This accounts for 36.7% of the total City area, more than any other City in the region. Large floodplain areas include Joe Pool Lake, Mountain Creek, and the West Fork Trinity River floodplain. Other major watersheds include Cottonwood Creek, Fish Creek, and Johnson Creek.

City flooding and drainage problems are key issues when planning for the safety, health, and quality of life for Grand Prairie citizens. As of 2009, over 2,300 drainage complaints have been filed to City staff. Land development in Grand Prairie continues to increase over time, thus increasing the potential for faster and greater flooding chances at many locations across the City. Many successful projects have been built in the City to provide flood control, including channels, culverts, bridges, detention, and lakes. However, many areas are still in need of additional flood control measures or repairs and improvements to existing flood control structures. The City-Wide Drainage Master Plan Road Map establishes the processes for future flood control planning for the City of Grand Prairie.

City-Wide Drainage Master Plan Road Map

The City’s primary goal and objective of the City-Wide Drainage Master Plan is to cost-effectively manage flood or storm waters within budgeting constraints so that conditions don’t get worse as new and infill areas are developed – while evaluating and making conditions better in the areas of the city that are already developed.

The City-Wide Drainage Master Plan, as outlined in the Road Map, will accomplish the following goals:

  1. Provide the building blocks to reduce the existing potential for floodplain and storm water damage to public health, safety, life, property, and the environment
  2. Protect and enhance the quality, quantity, and availability of surface water resources
  3. Promote equitable, acceptable, and legal measures for floodplain and storm water management
  4. Address the remaining flooding issues in Grand Prairie, including both inadequate storm drainage systems and floodplains
  5. Provide a comprehensive, City-wide drainage inventory and assessment with recommendations for flooding and drainage issues
  6. Provide a systematic and financially sound strategy for reducing or eliminating flooding in Grand Prairie
  7. Provide short term goals for constructing smaller projects and a long range plan for larger, more complex projects
  8. Identify and prioritize the needed improvements for small, medium, and large projects for both City-Wide and individual watersheds.

City-wide Drainage Master Plan Road Map (PDF)


Cottonwood Creek Watershed Drainage Master Plan

The City-wide Drainage Master Plan for Cottonwood Creek provides comprehensive, updated technical data for the management of the Cottonwood Creek watershed. The report addresses existing flooding, erosion, and sedimentation problems within the watershed and provides planning alternatives and design concepts to help alleviate potential flood damages. The information presented in the report provides the City and Developers with the necessary updated drainage information to coordinate future development and help minimize existing and potential flood damages and erosion within the Cottonwood Creek watershed.
Any revisions to the floodplain and the floodways identified in this report shall also include ultimate development conditions and shall be for the whole creek as determined in the study to ensure that there are no downstream adverse impacts. Required submittals to FEMA shall be for the whole creek and not for only portions of it. The study is in compliance with the requirements set forth in the "City-wide Drainage Master Plan Roadmap," and sets the standard for future drainage master plans, addressing existing flooding and erosion problems, providing planning recommendations, alternatives and design concepts for future development, and to include Capital Improvement Projects (CIP) as well as possible developer participation projects.

City-wide Drainage Master Plan Report Cottonwood Creek (PDF)


Fish Creek Watershed Drainage Master Plan

The City-wide Drainage Master Plan for Fish Creek provides comprehensive, updated technical data for the management of the Fish Creek watershed. The report addresses existing flooding, erosion, and sedimentation problems within the watershed and provides planning alternatives and design concepts to help alleviate potential flood damages. The information presented in the report provides the City and Developers with the necessary updated drainage information to coordinate future development and help minimize existing and potential flood damages and erosion within the Fish Creek watershed.
Any revisions to the floodplain and the floodways identified in this report shall also include ultimate development conditions and shall be for the whole creek as determined in the study to ensure that there are no downstream adverse impacts. Required submittals to FEMA shall be for the whole creek and not for only portions of it. The study is in compliance with the requirements set forth in the "City-wide Drainage Master Plan Roadmap," and sets the standard for future drainage master plans, addressing existing flooding and erosion problems, providing planning recommendations, alternatives and design concepts for future development, and to include Capital Improvement Projects (CIP) as well as possible developer participation projects.

City-wide Drainage Master Plan Report Fish Creek (PDF)


Joe Pool Lake Watershed Drainage Master Plan

The City-wide Drainage Master Plan for Joe Pool Lake provides comprehensive, updated technical data for the management of the Joe Pool Lake watershed tributaries and storm water infrastructure. The report addresses existing flooding, erosion, and sedimentation problems within the watershed and provides planning alternatives and design concepts to help alleviate potential flood damages. The information presented in the report provides the City and Developers with the necessary updated drainage information to coordinate future development and help minimize exiting and potential flood damages and erosion within the Joe Pool Lake watershed.

Any revisions to the floodplain and the floodways identified in this report shall also include ultimate development conditions and shall be for the whole creek as determined in the studies to ensure that there are no downstream adverse impacts. Required submittals to FEMA shall be for the whole creek and not for only portions of it. The study is in compliance with the requirements set forth in the "City-wide Drainage Master Plan Roadmap," and sets the standard for future drainage master plans, addressing existing flooding and erosion problems, providing planning recommendations, alternatives and design concepts for future development, and to include Capital Improvement Projects (CIP) as well as possible developer participation projects.

City-wide Drainage Master Plan Report for Joe Pool Lake (PDF)


Cedar Creek Watershed Drainage Master Plan

The City-wide Drainage Master Plan for Cedar Creek provides comprehensive, updated technical data for the management of the Cedar Creek watershed. The report addresses existing flooding, erosion, and sedimentation problems within the watershed and provides planning alternatives and design concepts to help alleviate potential flood damages. The information presented in the report provides the City and Developers with the necessary updated drainage information to coordinate future development and help minimize exiting and potential flood damages and erosion within the Cedar Creek watershed.

Any revisions to the floodplain and the floodways identified in this report shall also include ultimate development conditions and shall be for the whole creek as determined in the study to ensure that there are no downstream adverse impacts. Required submittals to FEMA shall be for the whole creek and not for only portions of it. The study is in compliance with the requirements set forth in the "City-wide Drainage Master Plan Roadmap," and sets the standard for future drainage master plans, addressing existing flooding and erosion problems, providing planning recommendations, alternatives and design concepts for future development, and to include Capital Improvement Projects (CIP) as well as possible developer participation projects.

City-wide Drainage Master Plan Report Cedar Creek (PDF)


Arbor Creek Watershed Drainage Master Plan

The City-wide Drainage Master Plan for Arbor Creek provides comprehensive, updated technical data for the management of the Arbor Creek watershed. The report addresses existing flooding, erosion, and sedimentation problems within the watershed and provides planning alternatives and design concepts to help alleviate potential flood damages. The information presented in the report provides the City and Developers with the necessary updated drainage information to coordinate future development and help minimize exiting and potential flood damages and erosion within the Arbor Creek watershed.

Any revisions to the floodplain and the floodways identified in this report shall also include ultimate development conditions and shall be for the whole creek as determined in the study to ensure that there are no downstream adverse impacts. Required submittals to FEMA shall be for the whole creek and not for only portions of it. The study is in compliance with the requirements set forth in the "City-wide Drainage Master Plan Roadmap," and sets the standard for future drainage master plans, addressing existing flooding and erosion problems, providing planning recommendations, alternatives and design concepts for future development, and to include Capital Improvement Projects (CIP) as well as possible developer participation projects.

City-wide Drainage Master Plan Report Arbor Creek (PDF)

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Last updated: 11/24/2014 10:15:12 AM