Developer Information

Southgate works with a number of developers, engineers, contractors, and vendors on various types of private development construction projects. Refer to information below on Southgate's procedures relating to private development.

This section does not apply to Tenant Finish Reviews.
  1. Plan Review
  2. Plan Approval
  3. Construction
  4. Project Acceptance
  5. Water & Sewer Service
  6. Warranty

Plan Review Requirements


The Applicant (property owner, developer, or their representative) must apply to Southgate by submitting construction plans to Southgate Engineering for review and approval. 

Proposed design shall be in conformance with the Water District Rules & Regulations, Water System Specifications, Sanitation District Rules & RegulationsSanitary Sewer System Specifications, and drawing requirements.

Southgate's goal is to review and return comments/questions on all submittals within 1-2 weeks.

Southgate will calculate total Review & Observation Fees due during the 1st review.

1st Submittal Requirements


  • Cover Letter 
  • $1,000 deposit, make check out to Southgate Water & Sanitation Districts
  • One (1) PDF of the construction plan set
  • One (1) bound, full-size (24" x 36") construction plan set
    • Cover sheet
    • Southgate general notes
    • Overall site plan
    • Plan & Profile sheets (system extension projects only)
    • Detail sheets
    • For water system extension projects, also include a Water Only plan and Denver Water notes

Subsequent Plan Submittal Requirements


  • Cover Letter addressing all comments/questions
  • Remaining Review & Observation Fees
  • One (1) PDF of the construction plan set
  • One (1) bound, full-size construction plan set

Additional Submittal Items


  • Easement Legal Description and Exhibit  
  • Evidence of Title

Denver Water Review


Projects including water system extensions and water service lines 3" and larger require a Denver Water review.  Once Southgate is satisfied with the construction plans, Southgate will issue a Conditional Letter of Approval (CLA).  After the Applicant returns a signed CLA, the Applicant may submit the conditionally approved plans, along with the CLA, to Denver Water for their respective review.