RFCD Ordinance, Policies & Procedures (Directory of Documents)

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Sheriff Hank Highwater





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Page Contents:

Floodplain Management Ordinance, Title 16 of the Pima County Code

Current effective Ordinance

Title 16, Floodplain Management Ordinance 2010 FC5, effective 6/3/2010.

See the Pima County Code disclaimer.

PDF of recorded version of changes to Title 16 (Adopted changes only, not the entire Ordinance.)

Searchable PDF version of Title 16

Acrobat Reader for viewing PDF files can be downloaded free of charge from Adobe.

Ordinance Revision Update!

The revised Ordinance was approved in a 5-0 vote by the Pima County Board of Supervisors acting as the Board of Directors for the Pima County Flood Control District on May 4, 2010. The Ordinance became effective June 3, 2010. There are two versions of the final version available for review. The recorded, underline-strikeout version of Ordinance 2010 FC5 (PDF format) indicates the changes made to FEHMO 2005-FC2 (in red). The clean version of Ordinance 2010 FC5 (PDF format) does not have the mark-ups showing the changes made and is an easier to read version of the complete language of the Ordinance. Please go to the Revision of Floodplain Management Ordinance 2005-FC2 page to obtain more information about the revisions and revision process.

Riparian Habitat Guidelines

The revised Regulated Riparian Habitat Mitigation Standards and Implementation Guidelines (Onsite Guidelines) (10 MB PDF format) and Regulated Riparian Habitat Offsite Mitigation Guidelines for Unincorporated Pima County (Offsite Guidelines) (12 MB PDF format) were adopted by Pima County Board of Supervisors acting as the Board of Directors for the Pima County Flood Control District on November 15, 2011.  The revised Guidelines outline requirements for complying with Chapter 16.30 of the Ordinance and provide property owners and developers guidance on how to mitigate for impacts to Regulated Riparian Habitat.


Substantive Policy Statements

Technical Policies - Interpretation of Title 16 and Other Regulatory Documents

Effective: 1/25/06 
Effective: 1/5/09, Rev. 11/24/10
Effective: 1/25/06
Effective: 11/5/07
Effective: 3/23/06, Rev 8/31/09
Effective: 8/1/2013
Effective: 6/8/06
Effective: 6/13/06
Effective: 3/15/07 
Effective:  03/03/09
Erosion Hazard Reduction and Protection (AS)
Effective:  PENDING
Effective:  6/19/07, Rev. 12/30/09
Effective:  8/31/09
Effective:  10/1/07
Effective:  12/1/07
Acceptable Methods for Channel Design and Scour Calculations (EC) 
Effective:  PENDING
Effective:  4/1/11, Rev. 11/16/12
Effective:  11/19/12
Effective:  11/16/11
Effective:  3/3/08
Effective:  11/02/09
Effective:  11/02/09
Avoiding Riparian Habitat-Requirement (MR)
Effective:  PENDING
Effective:  11/07/11
Interim Detention Basin Design Standards (AM)
Effective PENDING
Effective:  5/25/11
Effective:  5/18/12
Effective: 12/30/10
Effective: 8/1/13


Technical Procedures - For Uniform Implementation of Technical or Complex Tasks

Determining BFEs in AE, AH Zones, and other floodplains with detailed studies (PDF)
Effective: 1/25/06 Rev. 10/11/11
Effective: 12/20/12
Effective: 6/19/07, Rev. 11/15/13
Determining DV2 in Surrounding Waters
Effective: PENDING
Criteria for Approval of Permits at the Counter
Effective: PENDING
Effective: 1/25/06
Calculating Riparian Habitat Disturbance
Effective: PENDING
Effective: 3/3/08
Effective: 3/14/2013
Requirements for LOMR Submittals
Effective:  PENDING
Effective: 5/23/07
Effective: 11/1/07
Effective: 11/2/09
Effective: 11/15/2013


District Standards - To Standardize Work Products

Effective: 5/12/2011
Effective: 5/12/2011
Effective: 5/12/2011
Effective: 10/24/2011


Incorporations by Reference

Flood Insurance Study/Flood Insurance Rate Maps

Detention/Retention Manual (PDF format)

Standard Manual For Drainage Design and Floodplain Management

Map of Critical Basins within Unincorporated Pima County (PDF format)

Drainage and Channel Design Standards for Local Drainage (PDF format)

Other Rules, Policies and Procedures

12/31/2012 Draft Administrative Completeness and Substantive Review Checklists for Floodplain Use Permits (PDF Format). These checklists are provided to comply with A.R.S. § 48-3645 and once finalized, will be incorporated into Technical Procedure 109.

Guidelines for Establishing Scour and Freeboard for Bridges in Pima County (Large File: 7 MB PDF Format) - RFCD and PCDOT, August 2012

Increasing Pier Widths for Debris Loading in Hydraulic Models (PDF format) - Policy Memorandum

Establishing a local datum for Elevation Certificates within Zone A Special Flood Hazard Areas and sheetflow floodplains (PDF format)

Table of Regulatory Discharges (PDF format)

Rule Clarification - Runoff Detention Systems Requirements of Ordinance Section 16.48.040 (PDF format)

Memorandum on Section 404 permit compliance statements (PDF format)

Due to the passage of SB 1598, also known as the Regulatory Bill of Rights, by the Arizona legislature, Floodplain Use Permits are subject to A.R.S. § 48-3646.  Please review the A.R.S. § 48-3646 Floodplain Use Permit Application Process Notice to learn more about A.R.S. § 48-3646 and District compliance with A.R.S. § 48-3646.

Forms, Checklists and Guidance for Floodplain Permitting

Floodplain Management Division Permitting Documents:



Riparian Habitat Mitigation Plan (RHMP) Checklists and Tools

Planning and Development Division Permitting Documents:



Guidance Documents

    • Standard Notes for Final Plats, Tentative Plats, and Subdivision Plats

Riparian Habitat Mitigation Plan (RHMP) Checklists and Tools


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