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. National Pollutant Discharge Elimination System (NPDES)

Municipal Sources Resources

Information regarding permits, fees, funding, and guidance for municipalities interested in stormwater regulations and programs.

Permits

  • MS4 Permits – Compendium of Clear, Specific and Measurable Permitting Examples - Introduction (pdf) (729.39 KB)
  • Compendium Part 1: Six Minimum Control Measure Provisions (pdf) (1.08 MB)
  • Compendium Part 2: Post-Construction Standards (pdf) (1.6 MB)
  • Compendium Part 3: Water Quality-Based Requirements (pdf) (4.26 MB)
  • Compendium Part 4: Transportation Stormwater Permit (pdf) (4.82 MB)
  • Compendium Part 5: Trash Stormwater Compendium (pdf) (1.93 MB)
  • Compendium Part 6: Green Infrastructure Permit Compendium (pdf) (2.71 MB)
  • Compendium Part 7: Off-Site Stormwater Management (pdf) (1.08 MB)
  • Comprehensive Summary of State Post Construction Stormwater Standards (pdf) (1.13 MB)
  • Revisions to the November 22, 2002 Memorandum "Establishing Total Maximum Daily Load (TMDL) Wasteload Allocations (WLAs) for Stormwater Sources and NPDES Permit Requirements Based on Those WLAs" (pdf) (4.26 MB)
  • MS4 Permit Improvement Guide: April 2010 (pdf) (2.11 MB)
  • MS4 Program Evaluation Guidance (pdf) (1.06 MB)
  • TMDLs to Stormwater Permits Handbook November 2008 - DRAFT (pdf) (5.67 MB)

Fees and Funding

Federal Government and Stormwater Fees

  • Federal Government Obligations to Pay Stormwater Fees (pdf) (118.98 KB)
  • Reimbursement or Payment Obligation of the Federal Government Under Section 313 (C)(2)(B) of the Clean Water Act (pdf) (196.05 KB)

Fact Sheets/Guidance

  • Region 3 Fact Sheet on Funding Stormwater Programs (pdf) (216.83 KB)
  • Guidance for Municipal Stormwater Funding (pdf) (612.14 KB)

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
    • State Program Information
    • Permit Limits
    • Program Management and Oversight
    • NPDES Regulations
    • Other Federal Laws that Apply to the NPDES Permit Program
  • All NPDES Program Areas
    • Animal Feeding Operations
    • Aquaculture
    • Forest Roads
    • Industrial Wastewater
    • Municipal Wastewater
      • Combined Sewer Overflows (CSOs)
      • Sanitary Sewer Overflows (SSOs)
      • Peak Flows
      • Integrated Planning
    • National Pretreatment Program
      • Standards and Requirements
      • Roles and Responsibilities
      • Events, Training and Webinars, and Publications
    • Pesticide Permitting
    • Stormwater
      • Construction Activities
      • Industrial Activities
      • Municipal Sources
      • Transportation Sources
      • Oil and Gas Permitting
      • Stormwater Planning
      • EPA's Residual Designation Authority
      • Rules and Notices
    • Water Quality Trading
  • NPDES Technical Resources
    • Resources for Permit Writers
    • NPDES Permit Writers' Manual
    • NPDES Training
    • Tools
    • Electronic Notice of Intent (eNOI)
    • NPDES Applications and Forms
Contact Us About NPDES
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 24, 2025
  • 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.