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The IDNR Division of Water regulatory webpage provide a comprehensive one-stop site for permitting information. Simply click on a particular category below for links to forms, instructions, and informational resources. Several instructional videos are now available that provides important information to assist you in completing a permit application, fulfilling the public notice requirements, and providing the supporting technical documentation that is necessary in the application review process. In addition, technical worksheets have been developed for the agents who are submitting Construction in a Floodway applications.
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Permit Application Form
File an application on-line:
Permit Assistance Manual
The Permit Application Assistance Manual assists individuals with the preparation and submission of permit applications to the IDNR, Division of Water. By following the procedures and requirements outlined in this document, applicants can be more successful in filing a complete application submittal which can minimize the review processing time. The manual is intended to provide applicants and their agents with an elementary understanding of the programs and the overall required information for the application submittal. Further information concerning the detailed, technical requirements required for the application submittal can be found under Technical Requirements: Minimum application submittal for construction in a floodway.
|Introduction and general overview of Non Modeling Worksheets||Video||N/A|
|No Change in Effective Cross Sectional Flow Area||Video||Worksheet|
|Change in Effective Cross Sectional Flow Area
Companion Worksheet A
|Ineffective Area of Contraction or Expansion Reach of a Stream Crossing||Video||Worksheet|
|Bridge Replacement in Kind
INDOT-DNR Bridge Replacement Assessment
|GIS resources: State Initiatives and LiDAR||Video|
|DNR portal of data and floodplain mapping - INFIP||Video|
This document provides guidance for the assessment and determination of compensatory mitigation for habitat impacts that may be required as a result of the review of a Construction in a Floodway application.
After the permit application has been received by the IDNR, Division of Water, Public Notice requirements must be completed by the applicant or agent for any one of the Regulatory Permit Programs listed within this webpage. An instructional video has been developed to assist an applicant or agent in fulfilling the public notice requirements and in providing DNR with the necessary documentation as proof that public notice was served to the appropriate property owners. A link to the corresponding Public Notice forms can be found to the right of the video link in the table below. To watch an instructional video or access a form, click the links in the table below If you have problems viewing the videos, please contact us at firstname.lastname@example.org or at 1-317-232-4160, toll free at 1-877-928-3755.
|Instruction Info||Video||State Form|
|Instructions for Public Notice requirements||Video||SF 50354|