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. NPDES Permits Around the Nation

NPDES Permit for Department of Commerce, Boulder Laboratories Municipal Separate Storm Sewer System in Colorado

Under National Pollutant Discharge Elimination System permit number COR-042002, the U.S. Department of Commerce, Boulder Laboratories is authorized to discharge from all municipal separate storm sewer system (MS4) outfalls existing as of the  effective date of this permit to receiving  waters which include Skunk Creek and  Anderson Ditch and other associated waters of the United States within the exterior boundaries of the Department of Commerce, Boulder Laboratories in the city of Boulder, Boulder County, Colorado.


Current Permit

  • CO-R042002 Dept. of Commerce, Boulder Laboratories MS4 NPDES Permit (pdf) (292.56 KB, November 20, 2023)
    The NPDES MS4 discharge permit.
  • CO-R042002 Dept. of Commerce, Boulder Laboratories MS4 NPDES Statement of Basis (pdf) (828.23 KB, November 20, 2023)
    The statement of basis for the NPDES MS4 discharge permit.
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on November 21, 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.