Licenses for Activities in Tidal Waters
Licenses for Activities in Tidal Waters
Supporting documents can be found on our LWRD Forms and Instructions page.
Structures, Dredging, & Fill; Tidal Wetlands; Section 401 Water Quality (Tidal):
Regulated activity in the tidal wetlands, or in tidal, coastal, or navigable waters of the state that is not eligible for a general permit or Certificate of Permission requires a Structures, Dredging, & Fill; Tidal Wetlands; Section 401 Water Quality (Tidal) permit (Connecticut General Statutes (CGS) Sections 22a-359 - 22a-363h). This is also referred to as an individual permit.
Application: Form C (09/02/20) Word; PDF; ezFile
Instructions: Forms C and D Guidance (12/03/21); Instructions for ezFile
Supporting documents needed for this application are:
Attachments: 1, 3, 4, 7, 8, 9, 10, 13, 14, 18, 20, 21, 22, 23, 24, 25, 26, 41, 42
Instructions for Completing Attachment 40: Structures, Dredging and Fill Fee Calculation (06/01/21)
Additional Information:
Structures, Dredging and Fill & Tidal Wetlands Fact Sheet
401 Pre-Filing Meeting Request Form
Army Corps of Engineers – New England District – Regulatory/Permitting
Certificate of Permission (COP):
COP's are certificates issued for certain minor activities involving dredging, erection of structures, or fill in any tidal, coastal or navigable waters of the state in accordance with sections 22a-361 through 22a-363c of the Connecticut General Statutes (CGS). In some cases, maintenance of unauthorized activities that were completed prior to specific dates may also be eligible for a COP. In addition, certain environmentally beneficial activities, such as the removal of derelict structures and restoration of degraded tidal wetlands, may be approved through the COP process. The COP process involves the filing of a simplified application form and application fee. COP's are issued within 45 days for complete applications, or within 90 days if additional information is requested by LWRD to complete its review.
Application: Form D (09/02/20) Word, PDF, ezFile
Instructions: Forms C and D Guidance (12/03/21); Instructions for ezFile
Supporting documents needed for this application are:
Attachments: 6, 8, 9, 10, 11, 14, 18, 20, 21, 22, 23, 24, 41, 42
Additional Information: Certificate of Permission (short permit process) Factsheet
General Permits:
General Permit for Coastal Maintenance (DEEP-OLISP-GP-2015-02); Issued 10/26/2015; Effective 01/01/2016
This general permit applies to the maintenance of various coastal structures and activities within the tidal, coastal, and navigable waters of the state below the elevation of the coastal jurisdiction line and, where specifically allowed, in tidal wetlands. These maintenance activities include: marina and mooring boundary reconfiguration, remedial activities required by order, FEMA residential flood hazard mitigation, reconstruction of permitted structures, DOT maintenance activities, beach grading, removal of derelict structures, cultch placement, minor seawall repair, catch basin cleaning, flap gate repair, habitat restoration activities, temporary construction access and DEEP boat launch repairs. Registrations are required to be submitted and approved in writing by the Department in order for marina and mooring boundary reconfigurations, remedial activities required by order, FEMA residential flood hazard mitigation and reconstruction of permitted structures to be authorized by this general permit. Annual Project Reports are required to be submitted to the Commissioner in order for the DOT maintenance activities and DEEP boat launch repairs to be authorized by this general permit. Approval of Registrations are transferrable.
Marina and Mooring Field Reconfiguration:
Application: Form E (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments: 6, 8, 10, 14, 20, 21, 24, 41, 42
Additional Information: Fact Sheet
Remedial Activities Required by Order:
Application: Form F (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments: 6, 8, 10, 14, 20, 21, 23, 24, 33, 34, 41, 42
Additional Information: Fact Sheet
Residential Modification to FEMA Standards:
Application: Form G (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments: 6, 8, 10, 14, 18, 20, 21, 35, 41, 42
Additional Information: Fact Sheet
Reconstruction of Permitted Structures:
Application: Form H (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments: 6, 8, 10, 14, 18, 20, 21, 36, 37, 41, 42
Additional Information: Fact Sheet
General Permit for Minor Coastal Structures (DEEP-OLISP-GP-2015-01); Issued 10/26/2015; Effective January 1, 2016
This general permit applies to the construction, installation, maintenance, removal and seasonal replacement of various minor structures within the tidal, coastal, and navigable waters of the state below the elevation of the coastal jurisdiction line and, where specifically allowed, in tidal wetlands. These minor structures include: 4/40 docks, access stairs, non-harbor moorings, osprey platforms and perch poles, buoys and navigational markers, harbor moorings, swim floats, pump-out facilities and experimental activities and scientific monitoring devices. Registrations are required to be submitted and approved in writing by the Department in order for the 4/40 docks, access stairs and non-harbor moorings to be authorized by this general permit. Project Reports are required to be submitted to the Commissioner in order for the osprey platforms and perch poles and certain pump-out facilities to be authorized by this general permit. Approval of Registrations are transferrable.
4/40 Docks/Access Stairs:
Application: Form I (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments: 6, 8, 10, 14, 21, 41, 42
Please be advised that it has come to our attention that additional guidance is needed regarding the eligibility criteria for new 4/40 residential dock structures under the General Permit for Minor Coastal Structures. The 4/40 Docks document has been revised to reflect the updated guidance.
Additional Information: Fact Sheet
Non-Harbor Moorings:
Application: Form J (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments: 6, 8, 10, 14, 21, 41, 42
Coastal Storm Response (DEEP-OLISP-GP-2015-03); Issued 10/30/2015; Effective 01/01/2016
This general permit applies to storm preparation and response activities within the tidal, coastal, and navigable waters of the state below the elevation of the coastal jurisdiction line and, where specifically allowed, in tidal wetlands. Storm preparation activities include: temporary placement of bracing, scaffolding, hay bales, silt fencing, sheeting; temporary placement of sandbags; and relocation and stockpiling of beach sand for temporary dunes within areas above mean high water. Storm response activities can only be undertaken upon declaration by the commissioner that this section of the general permit is in effect. Such declaration will be made by the commissioner after a coastal storm or other event and shall include the effective date, the expiration date, and the specific geographic areas covered. Storm response activities include various repairs, replacement and/or reconstruction to coastal structures caused specifically by the storm or event. Storm response repairs and reconstruction of seawalls, bulkheads, culverts and other flood and erosion control structures will require submittal of a Project Report to Commissioner within fourteen (14) days of completion in order to be covered by this general permit. Approval of Registrations are transferrable.
No registration required.
Requires the submittal of a project report within fourteen (14) days of completion of work.
General Permit for Dolphin Cove (GP-LIS-95-001); Issued 12/07/95
Structures, Fill, Obstructions, or Encroachments in Dolphin Cove Lagoon, Stamford:
Application: Form K (09/02/20) Word, PDF
Instructions (12/13/21)
Supporting documents needed for this application are:
Attachments 10, 14, 20, 21, 41, 42
Content Last Updated April 23, 2026