Procedures for Processing Water Course Disruption Permits

Revised on 08-07-2020

For work within a watercourse, the applicant shall submit a preliminary application with supporting information and/or drawings, to the responsible District Office that will determine the type of Public Works permit(s) required. 

Documentation/Other Requirements for a Water Course Disruption Permits

The following documents may accompany the Water Course Disruption Permit application:

  1. Hydrology and Hydraulic Report signed and stamped by a licensed California Civil Engineer in good standing (per Los Angeles County Department of Public Works Hydrology Manual and LA County Approved Software Program):
    1. Required hydrology report to calculate run-off for 50-year storm frequency (Q-50 Storm - Clear or Q-50 Burn & Bulk, depending on location)
    2. Hydraulic report may also be required to include the calculation of the water surface elevation in the natural watercourse based on run-off calculated for a 50-year storm frequency (Q-50 Clear or Q-50 Burn & Bulk) analysis. This water surface elevation shall be a minimum of two feet below the lowest member of any structure allowed within the water course. 
    3. For work in water courses NOT located in a Special Flood Risk Area, the City may also be required to calculated flows for Q-50 Burn and Q-50 Bulk.
  2. Engineering Plans and Diagrams prepared by a licensed California Civil Engineer in good standing that define the scope of the work.  These would be the same plans submitted to Building & Safety.
  3. Waiver of Damages, Indemnification Agreement and Right of Ingress and Egress.  In accordance with Section G 064 and Section G 070 of the Storm Drain Manual, applicants may be required to provide the City of Los Angeles with a recorded Waiver of Damages, a covenant and agreement for maintenance of the watercourse, and vehicular access to the watercourse and any pertinent municipal facility (i.e., revetments, retention basins, debris basins, etc.) as may be deemed necessary by the permitting engineer.
  4. Environmental Documents may be required from outside agencies including:
    1. County of Los Angeles
    2. United States Army Corps of Engineers (USACE)
    3. Regional Water Quality Control Board (RWQCW)
    4. California Department of Fish and Wildlife (CDFW)
    5. California Environmental Quality Act (CEQA) compliance from the California Natural Resource Agency 
  5. Public Notification for Projects Located in a Special Flood Risk Areas Only (Special Order No. 003-1005 - Mandeville Canyon Special Flood Risk Area includes Mandeville Canyon Creekand all of the water courses tributary to Mandeville Canyon Creek north of Sunset Boulevard and south of Mulholland Driv)
    1. The applicant shall provide written notice to residents of properties within a 500-foot radius from the proposed project location.
  6. Right of Entry
    1. Any work associated with proposed construction, that requires the trespassing onto private property not owned by the permittee, shall require a right-of-entry. The permittee shall obtain and provide proof of a right-of-entry for ingress and/or egress across property under different ownership.  This is also a requirement of a B Permit.
  7. Title Report
    1. Owner should provide a title report to confirm property ownership.
  8. Field Investigation
    1. City staff may need to perform an on-site field investigation to verify.

Reviewing the Water Course Disruption Permit Application

City staff receive an email notification that a new Water Course Disruption Permit has been applied for (customer may also bring this information to the counter)

  1. Application Information: 
    1. Full Name:
    2. Firm Name (If Applicable):
    3. Address:
    4. City:
    5. State:
    6. Zip:
    7. Phone:
    8. Email:
  2. Permit Password:
  3. Owner Information:  City staff to also verify legal ownership of subject property within the natural watercourse via Navigate LA.   Information coule be the same as the Applicant Information.
    1. Full Name:
    2. Address:
    3. City:
    4. State:
    5. Zip:
    6. Phone:
    7. Email:
  4. Contractor Information: (Generally the applicant does not have this information at the time of application)
    1. Full Name:
    2. Address:
    3. City:
    4. State:
    5. Zip:
    6. Phone:
    7. Email:
  5. Address where work is to be performedStaff to determine if the proposed work is within limits of a natural watercourse and a watercourse permit is required.
    1. Address:
    2. City:
    3. State:
    4. Zip:
    5. Engineering District (required)* - Select the appropriate office from the dropdown menu
  6. Legal Description:
  7. Assessor Parcel Number (APN) Number:  This information can be obtained from Navigate LA under the Parcel Description 
    • Lot:  This information can be obtained from Navigate LA under the Parcel Description 
    • Block:  This information can be obtained from Navigate LA under the Parcel Description 
    • Tract:  This information can be obtained from Navigate LA under the Parcel Description 
  8. Proposed Work Description: Applicant should enter the Description of Proposed Work which City staff should verify:  
    • How will the applicant discharge into the watercourse, including the plan sheet reference.  City staff to verify the accuracy of the proposed work.
    • What is the nature of the proposed construction work and if other BOE permits are required
    • Describe the actual scope of work being done on the property (summary of what is listed on the LADBS permit)
    • Other agency permit numbers (LA County, Fish & Wildlife, RWQCB, etc.).  
    • If the applicant is using rip rap, staff should enter the LADBS grading modification number.  
    • For inspection, if the applicant is connecting into the City storm system, BCA would provide inspection, otherwise LADBS Grading Division will provide inspection
    • City staff notes:
      • Hydrology/Hydraulics Report Reviewed
    • Equipment Proposed to be Used:  Applicant to include their proposed equipment.  Generally this says “Hand Excavation”.
  9. Estimated or Actual Cost: 
    1. Applicant to enter the cost for the work in the water course only
  10. Date to Start Work:  This is the anticipated date the project will start
  11. Estimated Date to Finish Work:  This is the anticipated date the project will complete
  12. Nature of Adjacent Property: Staff to review Navigate LA contours to confirm the lower and upper property.
  13. Lower Property (select from the list below).  
    • Improved 
    • Vacant
    • Public Street 
    • Not Applicable
  14. Upper Property
    • Improved 
    • Vacant
    • Public Street 
    • Not Applicable
  15. Geocoding:  Geocoding is a geographic marker placed within Navigate LA.  If you make a mistake when adding a point, click the mark and select delete from the popup prompt.  This step is completed once the permit is issued.
    1. Click on Geocode / View Location(s) on the left menu
    2. Select “Search”
    3. Enter the project location on the left
    4. Select the project location
    5. Select Add Point.  Try to locate the point as close to the actual location of the water course.
  16. Process Application:
    1. Permit(s) Required from Department of Public Works
      1. Requirement(s):
        1. Class (A) Permit Required:  Check this box if there will be an “A” Permit required (not as common).  A specific example of when the A Permit Box is checked when the applicant places site roof drainage via curb drain to the public right of way.
        2. Class (B) Permit Required:  Check this box if it is determined the proposed structure, fill, alteration or repair would become part of the City's permanently improved storm water drainage system.  There may also may be situations where the applicant wants to build a private system that may eventually become part of the City storm drain system, the City can issue a B Permit to confirm the system is built to City standards.
  17. No Dept. of Public Works Permits Required:  There are no other BOE permits tied to the Water Course Disruption permit.
  18. Building and Safety Permit Required (For grading any Hillside Area - Section 91.0201(b).):  Check the appropriate box
  19. Lot Sketch: Check the appropriate box
  20. Contour Maps and Plans:  Check the appropriate box
  21. Waiver of Damages:  Check the appropriate box
  22. Fee Information:
  23. Permit Fee:  Insert the current fee from the Fee Schedule including the 7% surcharge (LAMC 61.03) for the Water Course Disruption Permit.   as four hours of Special Engineering
  24. Permit Fee Received:  Check this box once payment is received
  25. Receipt Number:  Insert the receipt number
  26. Reference Information:
  27. District Map No.:  City staff to get this information from Navigate LA 
  28. Drainage Map No.:  City staff to get this information from Navigate LA (Valley District Drainage Maps)
  29. Division Index:  City staff to get this information from Navigate LA
  30. Waiver No.:  Insert the waiver number assigned by Central Records.  The City waiver number shall be obtained by District staff emailing Central Records (bettye.blevins@lacity.org and terrie.reed@lacity.org) to obtain a number.  Central Records is located at the Public Works building at 1149 S. Broadway, Suite B-10, LA, CA.  They will require information contained above in order to issue the City Waiver No.

Permit Processing

  1. BUREAU OF ENGINEERING COMMENTS TO BE SHOWN AND EMAILED TO CUSTOMER (Will not be printed on Final Permit):  Staff to enter any comments the applicant should see, including any missing information.
    1. Staff to enter any notes about the permit that the applicant needs to know.  Some of the notes may include:
    2. Applicant to call for inspection
    3. Applicant to provide additional information
       
  2. BUREAU OF ENGINEERING INTERNAL COMMENTS:  (Will not be shown to customer or printed on Final Permit)
    1. Other agency permit numbers (LA County, Fish & Wildlife, RWQCB, etc.).  
    2. If the applicant is using rip rap, staff should enter the LADBS grading modification number.  
    3. For inspection, if the applicant is connecting into the City storm system, BCA would provide inspection, otherwise LADBS Grading Division will provide inspection
    4. City staff notes:
      1. Hydrology/Hydraulics Report Reviewed
  3. LOCK APPLICATION (Do not Allow Customer to Modify Permit):  City staff can only check this box. Applicant can no longer modify the application.
  4. APPLICATION STATUS:  City Staff to select from the following options in the drop down:
    1. Cancel Application
    2. Estimate Only
    3. Incomplete Application
    4. Approve Until Payment Received
    5. Issue Permit
  5. FINAL PERMIT:  Once it has been determined the permit is approved and ready to issue, City Staff would click “Final Permit” on the left menu.  City staff to complete the following:
    1. Applicant to sign the permit
    2. City staff to sign the permit
    3. City staff make a copy of the signed permit and provide a copy to the applicant
    4. City staff to instruct the applicant to attach their Water Course Disruption Permit to their LADBS permit documents
    5. City staff to scan a copy of the final signed permit and upload the document to the “Attachments” section of the electronic permit system
  6. Add Attachments
    1. Both the Applicant and City staff to upload relevant documents.  City staff should upload all applicable documents to the system.
  7. Attachments
    1. Area of the application allows both the City and the Applicant to review documents that have been uploaded to the permit system.  Only City staff have the ability to delete documents.