Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Hydrologic Modeling Community of Practice

CGEM Documentation

This model is being distributed, maintained and actively supported by EPA.

CGEM Model Menu

  • CGEM Model Home
  • CGEM Documentation
  • CGEM Example Files
  • CGEM Download
  • CGEM Release Notes
  • CGEM Publications
  • Citing CGEM

CGEM includes the following documentation for use support and model description:

  • CGEM_User_Guide (pdf) (3.37 MB)
    Coastal Generalized Ecosystem Model (CGEM) VERSION 1.0
  • EFDC Utility User Guide (pdf) (371.9 KB)
    Environmental Fluid Dynamics Code (EFDC) HYD Conversion Utility VERSION 1.0
  • CGEM Modeling Framework (pdf) (592.96 KB)
    Guide to Model Theory and Formulations. VERSION 1.0.
  • WQEM Modeling Framework (pdf) (611.72 KB)
    Modeling framework implemented in the Water Quality Ecological Model (WQEM). VERSION 1.0.

Hydrologic Modeling Community of Practice

  • Modeling Products
  • Groundwater Models
  • Surface Water Models
  • Food Chain Models
  • Multimedia Models
  • Data Provisioning and Modeling Tools
  • Information Sources
    • About This Website
    • Frequent Questions
    • Related Links
    • Distribution and Support Policy
Contact Us About Community of Practice
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on September 25, 2024
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.