Wastewater Permits

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​​General Permit for Stormwater Associated with Construction Activity

General Permit For Discharges of Stormwater Associated With Construction Activity
Maryland General Permit No. 14-GP 

​​​The Maryland Department of the Environment (MDE) issued the General Permit for Stormwater Associated with Construction Activity, MDRC (General Permit), referred to as the 14-GP, which took effect on January 1, 2015.  

The permit is necessary to protect water quality and meet federal and State requirements under the Code of Federal Regulations (40 CFR 122.26 and 40 CFR 450) and the Code of Maryland Regulations (COMAR

 ​ NOTICE - Permit Renewal Update  ​

The Department has issued a Tentative Determination and notice of a Public Hearing for the 20-CP (the eventual replacement of the 14-GP).  More information can be found at the bottom of this page.
Current Permit and Guidance Documents (14-GP)


  • ePermits
    • The Notice of Intent (NOI) for this General Permit is submitted electronically through the ePermits website, as are Notices of Termination, Transfers, and the Declaration of Intent (DOI).
    • The NOI and DOI must be electronically signed by the person in authority from the developer or builder; however, the system will allow agents and consultants to prepare any part of the NOI necessary, then send it to the person who will submit it as the responsible party.
    • Federal regulations require that applicants must submit certain information to MDE to validate their authorization to submit an NOI on behalf of a responsible party.  To meet this requirement, MDE developed a Subscriber Agreement Template Form (.docpdf).
    • Technical issues with the syste should be submitted to the technical support team via the 24/7 Support link at the top of the system screen.
    • Public Notification Period - When NOIs with a signed Declaration of Intent (DOI) are submitted to MDE, a 14 day Public Notification Period​ is initiated and information is published on MDE's website.  Interested parties may review NOIs during the public notification period.  Please contact the appropriate Erosion and Sediment Control (E&SC) authority to review plans.  Interested parties may submit concerns about the E&SC to the approval authority and to MDE.  Concerns should be supported by a detailed, written explanation as to why the E&SC Plan fails to meet State standards.
  • Construction Activity Inspection Form  (.docpdf)

 UPDATE - Notice of Tentative Determination & Public Hearing for the 20-CP  

Any questions regarding the proposed permit should be directed to Paul Hlavinka at Paul.Hlavinka@Maryland.gov or by telephone at 410-537-3323, between the hours of 8:00 AM and 5:00 PM, Monday through Friday.

Important Dates

  • December 24, 2020 - Written comments concerning the tentative determination will be considered in the preparation of a final determination if submitted to the Department on or before this date. 

    • This comment period incorporates the additional 60-day period provided in §1–606(d)(1)(ii) of the Environment Article. 

    • Comments should be directed to the Maryland Department of the Environment, Water and Science Administration, 1800 Washington Blvd., Ste. 455, Baltimore, MD 21230-1708, Attn: Paul Hlavinka, Industrial Stormwater Permits Division, or emailed to Paul.Hlavinka@Maryland.gov.  

  • November 10, 2020 - The Department will hold a public hearing concerning the tentative determination on this date.

    • The hearing will be conducted through an online webinar from 2-4 PM with an option for audio-only participation from a landline phone. 

    • To participate online you must sign up via this registration link

    • Those who want to monitor the webinar hearing in audio-only mode via telephone may call 1-877-309-2071 with Access Code 776-021-152.

    • If you want to be able to potentially provide comments via either the video or audio options, you must formally register via the registration link above and complete the registration information provided to you in a follow-up email. You can offer verbal comments using only a telephone, but you must register to receive your personalized access information in order to do so.

Due to the continuing threat to public health from COVID-19, MDE is urging all who wish to provide testimony do so during the online webinar. ​Limited space has been made available for those who do not have internet access. An in-person session has been scheduled at MDE’s Aqua and Terra Conference Rooms at 1800 Washington Boulevard, Baltimore, MD from 10-11 AM on November 10, 2020.

  • October 27, 2020 - To allow MDE to prepare for the in-person session, participants should register by notifying the Department no later than 5:00 PM on this date.

    • In-person participants may register by calling 410-537-3323 or by emailing your registration information to Michael.Richardson@Marylan​d.gov.

    • To be allowed entrance, participants must follow current Maryland Health Department Guidance, public health protocols and CDC guidelines (including, but not limited, to social distancing and wearing of a facial covering that covers your nose and mouth).

Contact Info

Please contact the Department at (410) 537-3019 for more information.

Additional Information and Related Links