The iSWM Criteria Manual for Site Development and Construction contains criteria that cities and counties may use as a component of their stormwater management related development regulations. The Manual contains criteria to address and manage the water quality, streambank protection, stormwater conveyance, and flood control issues associated with development and redevelopment. The criteria may be customized by local governments to meet specific local needs, which provides a flexible approach to implementation.

The Transportation integrated Stormwater Management (TriSWM) Appendix of the iSWM Criteria Manual provides for the planning and design of stormwater management systems associated with the construction of public transportation infrastructure. The TriSWM page contains additional information on the TriSWM Appendix.

iSWM Criteria Manual Documents

Criteria Manual with TriSWM appendix (2015)

This document provides a description of the development process, the iSWM focus areas, and locally adopted design criteria allowing municipalities a flexible approach to apply at a local level.

The purpose of this manual is to provide design guidance and a framework for incorporating effective and environmentally sustainable stormwater management into the site development and construction processes, and to encourage a greater regional uniformity in developing plans for stormwater management systems.

Following criteria provided in the manual will help to meet sustainable development goals. There are many ways that sustainable development may be achieved while following these criteria. For example, a development that reduces individual lot imperviousness and a development that has high lot density in one area and a large open space in another can both meet sustainable requirements.

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Chapter Summary

Chapter 1: Introduction and Summary
Chapter 2: integrated Development Process
Chapter 3: integrated Design Criteria
Chapter 4: integrated Construction Criteria
Chapter 5: Additional Local Provisions

 

Local Provision Boxes

Throughout this manual you will notice "Local Provision" boxes. These boxes are used by a local government to add, delete, or modify sections of the criteria and specify the options allowed and/or required by the local government. Additional local information can be added and will be located in Chapter 5.

Legacy Documents

Criteria Manual with TriSWM appendix (2014)

The iSWM Criteria Manual was updated in September 2014 to add the TriSWM Appendix.

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Criteria Manual (2010)

This document provides a description of the development process, the iSWM focus areas and locally adopted design criteria allowing municipalities a flexible approach to apply at a local level.

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iSWM Design Manual for Site Development (2006)

The 2006 iSWM Design Manual for Site Development has been replaced by the iSWM Criteria Manual and iSWM Techincal Manual. The 2006 iSWM Design Manual for Site Development is still in use by some communities in North Central Texas and is provided for reference.