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Frequently Asked Questions

The District prepares Frequently Asked Questions (FAQ) handouts on a wide array of topics in order to assist the community we serve. You are encouraged to contact the District if you have a question that is not addressed in one of the FAQs below.

Floodplain and Floodplain Use Permit (FPUP) FAQ

A Floodplain and Floodplain Use Permit (FPUP) FAQ has been created to answer common questions regarding floodplains and floodplain permitting.

Sheet Flood Floodplain Mapping

Sheet Flood FAQ -  In September 2007, the District completed mapping of sheet flood hazards within the unincorporated portions of Pima County using State Standards methodology. The new mapping impacts large portions of the county and residents within these areas are encouraged to read this FAQ.

Drainage Complaints

This Drainage Complaint FAQ addresses some of the common questions about Drainage Complaints.

Letters of Map Revision (LOMR)

Letter of Map Revision FAQ A letter of Map Revision (LOMR) is an official revision to the FEMA Flood Insurance Rate Maps (FIRMs) and reflect changes to the 1% chance floodplains or Special Flood Hazard Areas (SFHAs). This FAQ addresses basic questions about what LOMRs do, how they affect flood insurance, and about obtaining a LOMR for your property.