Coal Creek and Rock Creek

Boulder County, City and County of Broomfield, Weld County
(within Town of Erie)

Urban Drainage and Flood Control District (UDFCD) works with the Federal Emergency Management Agency (FEMA) and local governments to get locally developed Flood Hazard Area Delineation (FHAD) studies incorporated into the FEMA Flood Insurance Rate Maps (FIRMs). A Risk Mapping Assessment and Planning (Risk MAP) project that uses the Physical Map Revision (PMR) process revises the FIRMs. The FHAD had been produced to identify and update flood risk potential and floodplain boundaries in the Coal Creek and Rock Creek watershed.

Two streams in the Coal Creek and Rock Creek watershed are being revised:

Getting the FHAD information on the FIRMs help residents and business owners make informed decisions about personal safety and protecting financial assets. Having current flood mapping also allows community planners, local officials, engineers, builders and others to make determinations about where and how new structures, subdivisions, developments, and redevelopments should be built to reduce risk of flood damage.

Preliminary Flood Insurance Rate Maps (FIRMs) for the Coal Creek and Rock Creek PMR project are now available.

Here is a list of materials that can help you learn more about the studies and their potential impact on your property You can also view proposed flood mapping changes with this link:

Physical Map Revision: Coal Creek and Rock Creek


Provides information on how FHADs are developed, how FHAD data gets incorporated into the FEMA FIRM, and how the revised FIRM affects property owners and local regulations.

Property Insurance Fact Sheet
Provides information about common insurance scenarios property owners may experience when a new FIRM becomes effective and how to reduce insurance rates.

Letter of Map Revision (LOMR) versus Appeal fact sheet

Provides information on these processes for changing preliminary FIRM information, and when to use a LOMR versus an Appeal process.

Renters Insurance Fact Sheet

Provides information about insurance options available for non-owner occupied structures when a new FIRM becomes effective and how to reduce insurance rates.

*Terms and Definitions

Estimate Project Timeline (subject to change)

Have more questions?

Your community Floodplain Administrator is the best source of information about flood risk. Here is the contact information:

Boulder County
Erin Cooper
City and County of Broomfield
Rebecca Baker
Town of Erie
Wendi Palmer
City of Lafayette
Karen Westover
City of Louisville
Robert Zuccaro
Town of Superior
Alex Gorsevski