Inside LaDOTD Divisions Engineering Public Works/Water Resources Dam Safety

Pre-Application for Construction of Dam

Name of Dam:
Select One:
Name of Owner:
Address:
Home Phone:
Office Phone:
Fax :
Email :
Owner's Contact Person:
Address:
Home Phone:
Office Phone:
Fax :
Email :
Location of Dam:
( Include in description the Parish, etc. )
GPS Coordinates:
( Include Latitude and Longitude )
Public Land Survey System (PLSS) Description
( Include in description the Section, Township, Range, etc. )
Description of Proposed Dam, Enlargement, Alteration, Repair or Removal
(OR Existing Dam):
( Include a description of appurtenant structures )
Pertinent Data  
River or Stream:
Type of Dam:
Purpose:
Nearest Downstream City  
Name:
Population:
Distance (Miles):
* Note: The height of the dam is established with the respect to the maximum storage potential measured from the natural bed of the stream or watercourse at the downstream toe of the barrier, or if it is not across a stream or watercourse, the height from the lowest elevation of the outside limit of the barrier, to the maximum water storage elevation. For determining maximum capacity, the maximum storage elevation is considered equal to the top of the dam elevation.
* Height of Dam:
* Maximum Capacity:
(Provide the Following Information Only If Readily Available)
Drainage Area:
(sq. miles)  
Average Annual Rainfall:
(inches)  
Elevation of Top of Normal Pool:
(NAVD 88)  
Area of Impoundment at Normal Pool:
(acres)  
Maximum Area of Impoundment:
(acres)  
Average Depth of Impoundment:
(ft)  
Maximum Depth of Impoundment:
(ft)  
Top of Dam Elevation:
(NAVD 88)  
Principal Spillway Crest Length:
(ft)  
(If Multi-Stage, Provide Additional Crest Length(s) & Elevations)
Emergency Spillways(s):
(Crest Length(s) & Elevations)
Spillway Design Flood:
Description of Existing and Proposed Watershed Development:
Description of Existing and Proposed Downstream Channel Development:
* Note: The applicant must forward copies of the pre-application to the appropriate state, federal and local agencies to obtain letters of no objection and/or permits as required by these agencies.  Copies of the letters of no objection and permits from the appropriate state, federal and local agencies must be submitted to the Louisiana State Dam Safety Program as part of the applicant's application under this program.  Please list the letters of no objection and permits that have been obtained from the appropriate local State and Federal agencies.
* Dates of letters of no objection and/or permits from the appropriate state, federal and local agencies
Other Pertinent Information:
Submitted By:
Company Name (if applicable):
Address:
Phone:
Fax:
EMail:
Submitted For: