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EPA's Electronic Stormwater Notice of Intent (eNOI) Home Page
EPA has updated and improved the Electronic Notice of Intent (eNOI) (no paper!) for construction sites
and industrial facilities that need to apply for coverage under EPA's Construction General Permit (CGP) or
Multi-Sector General Permit (MSGP). The eNOI system is a free online service. Registration is quick and
easy. Use this system only if your construction site or industrial facility is located in a state in which
EPA is the permitting
authority.
Attention operators with permit coverage under the 2003 Construction General Permit (CGP):
Construction site operators with permit coverage under the 2003 CGP may continue to operate under the terms of conditions of that permit and do not need to file a new NOI. The 2008 CGP has been issued for a two-year time period and applies only to new discharges. If your construction project is covered under the 2003 CGP, you do not need to file an NOI for coverage under the 2008 CGP and you must continue to comply with the terms and conditions of the 2003 CGP. For more information on the 2008 CGP see the EPA Construction General Permit page.
You should use the eNOI system because it's:
- Easier! – eNOI’s online instructions and help menus will guide you through the certification
process.
- Faster! – Using eNOI will eliminate 2 weeks or more in processing time. Using eNOI is the fastest
way to get your application process started.
- More Accurate! – eNOI tips will help you avoid common mistakes that could cause additional
delays.
You can use the eNOI System to:
- Fill out all stormwater forms (Notices of Intent and Termination (NOI and NOT), No Exposure Certifications, and Low Erosivity
Waivers (LEW)
- Terminate coverage using eNOI even if you submitted a paper NOI.
- Fill out forms even if you don't meet the definition of certifying official. The system lets
you complete the form and send it to the appropriate certifying official for signature.
- Modify forms that have already been
certified and submitted to EPA.
- Save your forms as draft so that you can complete them at a later time.
New Features:
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Allows you to submit NOEs and LEWs |
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Provides additional help text, including a keyword search
function for FAQs and glossary terms as well as hyperlinks to definitions and explanatory text |
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Allows you to modify the forms submitted electronically |
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Allows information already in the system to be pre-populated |
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Provides drop-down menus to reduce
errors |
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Allows you to view the status of forms saved in the system |
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Has two views to choose from – the standard view
walks you through the process step-by-step on multiple pages while the expert view allows you to enter
information on one page with reduced explanatory text |
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Maps the site location and the
latitude/longitude value to provide a visualization |
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To learn more about the eNOI system, including how to register and use the system, click here to view
the revised eNOI Overview in PowerPoint format (PPT) (36 pp, 4.78MB) or eNOI Overview in PDF format (PDF) (36 pp, 3.93MB).
View Stormwater NOIs - EPA is
posting construction and industrial NOIs for states and territories covered by EPA's Construction General
Permit and Multi-Sector General Permit. You can use this page to search, sort, and view NOIs.
Permit Questions?
If you have specific questions about either the Multi-Sector General Permit or Construction General Permit please send a detailed email to permit_questions@epa.gov for assistance.
Registration Questions?
If you have questions regarding the registration, changing your email or your account please visit CDX Frequently Asked Questions https://cdx.epa.gov/SSL/cdx/FAQ.asp or contact CDX using the following options:
- By Telephone: Person-to-person telephone support is available from 8:00 am to 6:00 pm (EST). Call our toll-free line at 888-890-1995.
- By E-mail: Send e-mail to Technical Support at EPACDX@CSC.COM with “Technical Support” in the Subject line.
- By Fax: Assistance requests are accepted 24 hours a day at 301-429-3905. Support personnel will respond to faxed requests Monday through Friday from 8:00 am to 6:00 pm EST/EDT.
eNOI System Questions?
If you have questions about the eNOI system contact the EPA’s NOI Processing Center using one of the following options:
- By Telephone: Person-to-person telephone support is available from 8:00 am to 5:00 pm (EST). Call our toll-free line at 866-352-7755.
- By Webform: Fill out the online form at www.epa.gov/npdes/noicontact
- By E-mail: Send e-mail to Technical Support at noi@avanticorporation.com
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![Electronic Notice of Intent (eNOI) Icon](https://webarchive.library.unt.edu/eot2008/20081111114914im_/http://cfpub.epa.gov/npdes/images/enoi_logo_small.jpg)
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Click on the logo to enter EPA's Central Data Exchange (CDX)
and start to file an electronic Notice of Intent (eNOI). Please make sure that the internet
browser you are using is Internet Explorer 5.5 or higher; Netscape is not compatible with eNOI .
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