Domestic Wastewater Facility Approval

• Regulation 22: Site Location and Design Approval Regulation for Domestic Treatment Works (on Water Quality Control Commission website)
• Individual Sewage Disposal System (ISDS) Guidelines  (on Water Quality Control Commission website)

• Regulation 22: Guidance Document
• WPC-DR-1 Design Criteria for Wastewater Treatment Facilities
• Policy WQSA-6 (Multiple Individual Sewage Disposal Systems)
• Other Water Quality Control Division Policies

• Domestic Wastewater Design Submittal Flowcharts
• Domestic Wastewater Design Submittal Requirements
• Domestic Wastewater Design Submittal Completeness Checklists
  • 22.4 New Domestic Wastewater Treatment Facility
  • 22.5 Existing Domestic Wastewater Treatment Facility
  • 22.6 Eligible Interceptor
  • 22.7 New/Expanded Lift Station or Interceptor

• Preliminary Effluent Limits Application
• Fee Request Form
• Site Application Forms
  • 22.4 New Wastewater Treatment Facility
  • 22.5 Existing Wastewater Treatment Facility
  • 22.6 Eligible Interceptor
  • 22.7 New/Expanded Lift Station or Interceptor
  • 22.8 Amendment Application  
  • 22.8 Amendment Application - Disinfection Change Only
  • 22.10 In-Kind Replacement
• Design Submittal Form (to accompany Process Design Report/Basis of Design Report and Final Plans and Specifications)
• Process Design Report Submittal Checklist
• Capacity Evaluation Form
• Special Situation Forms
  • Existence Prior to 1967
  • Site Location Application Extension Form
  • Streamlined Self Certification Form
• Construction Complete Form

• Information Regarding Domestic Treatment Works Decommisioning
• Graywater Reuse in Colorado
• Rainwater Harvesting in Colorado
• Helpful Website Links

Domestic Wastewater Treatment Works

• Process for Application (coming soon)
• Wastewater Alternative Technology Submittal Checklist
• Wastewater Alternative Technology Recognition Statement for Specific Project
• Approved Technology List (coming soon)

On-Site Wastewater Treatment Systems

• Process for Application 
• Approved Technology List (coming soon)