EPA's Region 6 Office
Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations
NOTE: Several links take you to other sites, you may have to back up or close the new window to return to this page. Many of the guidance documents, permits, etc. available on-line are in PDF format and you will need the free Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
- Multi-Sector General Permit for Stormwater Discharges Associated with Industrial Activity.
- eNOI web-based Notice of Intent system now available for BOTH the Multi-Sector General Permit AND the Construction General Permit (also for Notices of Termination)
- STORM WATER HOT TOPICS?
- The NPDES Storm Water Program in General: who is covered & timing (both Phase I and Phase II), industrial activity, construction activity, No Exposure Exclusion, copies of permits and guidance, etc.? (link to EPA's national site on the storm water program)
- Industrial storm water permitting in Region 6: copies of Region 6 permits, links to State permits, etc.?
- Where to send your Notice of Intent or Notice of Termination or obtaining copies of NOI/NOT and permit coverage related documents? (Information on NOI Processing Center)
- Region 6 Water Enforcement Branch Storm Water web page
- Other Storm Water Links & Resources (PDF Version), (Word Document Version)
Region 6 Multi-Sector General Permit (MSGP-2008)
(includes links to guidance on pollution prevention plants, NOIs, NOTs, etc.)
Under Phase I of the Storm Water Program, permits for discharge of storm water from industrial activity have been required since October 1, 1992. Most of the industrial activities are defined using Standard Industrial Activity (SIC) codes, which were the precursor to the newer North American Industrial Classification System (NAICS). For help finding a SIC code, visit:
The EPA Multi-Sector General Permit (MSGP) for storm water associated with industrial activities was issued September 29, 2008. This general permit is available for facilities in New Mexico, Texas, oil & gas facilities in Oklahoma and Texas, and facilities in Indian Country Land in Louisiana, New Mexico (except Navajo and Ute Mountain Ute reservations. (back to top)
State-issued Industrial Activity General Permits
To file an NOI or NOT electronically, visit the eNOI web site. To file a hard copy NOI or NOT, the current addresses for the NOI Processing Center are:
U.S. POSTAL SERVICE
However, the physical address is different in case you send the package via an express messaging service:
Storm Water Notice of [Intent/Termination] (4203M)
US EPA - Ariel Rios Building
1200 Pennsylvania Ave., NW
Washington, DC 20460
OVERNIGHT EXPRESS SERVICES ONLY
Storm Water Notice of [Intent/Termination]
US EPA - ICC Building, Room 7329
1201 Constitution Ave., NW
Washington, DC 20004
If you need to check on the status of your NOI/NOT or need a copy of your permit coverage confirmation letter, please contact the NOI Processing Center at: 1-866-352-7755. You can also check on your NOI and print out a copy of the NOI information online at the eNOI database search web site.