Resource Rain
**NOW IN EFFECT!**
What is Resource Rain?
State & City Permits & Ordinances Driving Resource Rain
- State Issued Permit NPDES Permit No. TNS068063
- City Ordinance City Code, Chapter 31; Ordinance 12881, accepted November 25, 2014 (final is not published). See revised ordinance below.
- Revised City Ordinance City Code, Chapter 31; Ordinance 13251, effective November 29, 2017
What is the Rain Management Guide?
For more in depth information regarding the RMG, click the FAQ below
I&M Forms For Private Stormwater Management Facilities
Rainwater Management Guide (RMG)
Addendums
Addendum (Effective November 29, 2017)
Addendum #2 (Effective August 30, 2019)
Addendum #2 Revision #1 (Effective November 15, 2019)
Chapters
Chapter 3 Stormwater Management Performance Standards
Chapter 4 Integrating Stormwater Management
Chapter 5 Stormwater Management Practices
5.2.1 Protect Undisturbed and Healthy Soils
5.2.1.2 Protect Erodible Soils
5.2.2 Protect and Incorporate Natural Flow Paths
5.2.3 Protect and Preserve Riparian Corridors
5.2.4 Protect and Preserve Natural Vegetation
5.2.4.1 Protect Historic or Specimen Trees
5.3.10 Disconnected Impervious Areas
5.4.1.1 Naturalize Swales- Drainage
5.4.2 Improve Native Landscape Cover
5.4.3 Amend Restore Disturbed Soils
Chapter 6 Technical Guidelines Special Areas
Chapter 7 Calculations and Methodology
Chapter 8 Maintenance and Performance
Appendices
Appendix G- Concept Review Meeting Application
Appendix I- Construction Oversight Certification
Appendix J- Post-Construction Inspection Certification
Appendix K- Detailed Calculations Example and LID Calculation Tool
LID Calculation Tool (Revised November 29, 2017)
Stay-On Volume (SOV) Infeasibility Application (New November 29, 2017)
Credit & Incentives
RMG Education Sessions
ASCE-EWRI City of Chattanooga Stormwater Seminar, May 7th, 2015
The American Society of Civil Engineers Tennessee chapter of the Environmental and Water Resourcfes Institute sponsored a one day seminar on City stormwater regulations so that the development community can further understand the regulations and requirements.
ASCE-EWRI Chattanooga Stormwater Ordinances and Regulations
ASCE-EWRI Buffers
ASCE-EWRI Protecting Green Infrastructure during Construction
ASCE-EWRI What are Mitigating Circumstances?
ASCE-EWRI Geotechnical and Infiltration Testing
ASCE-EWRI Local Project Examples (for downloading)
ASCE-EWRI Local Project Examples (for viewing on the internet)
ASCE-EWRI Stormwater Plans Review Process
ASCE-EWRI Stormwater Management within the Combined Sewer Area
ASCE-EWRI Stormwater Credits & Incentives
Contact Us
Department of Public Works
Development Resource Center
1250 Market Street, Suite 2100
Chattanooga, TN 37403
Chattanooga Water Quality Program
(423) 643-5877 . Mo Minkara, Ph.D., P.E. Manager Water Quality
Chattanooga Engineering
(423) 643-5961 . Maria Price, PE, M. ASCE Engineering Manager - Stormwater
Regional Planning Agency
(423) 643-5900 . John Bridger, Executive Director
Mission:
Serve people with integrity and improve the infrastructure and environment through excellence.
1250 Market Street
Chattanooga TN 37402 (map)
(423) 643-6311
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