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New/Renewal Applications for Professionals
- Application for License to Install Onsite Wastewater Treatment Systems
- Application for License to Clean Onsite Wastewater Treatment Systems
- Renewal Application for Installers
- Renewal Application for Cleaners
Resources
Colorado Department of Public Health and Environment
- Clarification Regarding the term "Infiltrative Surface"
- Clarification Regarding Soil Replacement
- Clarification for Determining the Number of Chamber Units in OWTS Design Under Regulation 43
- Clarification on Required Setbacks from On-Site Wastewater Treatment Systems to Wells or Cisterns
- Vertical Isolation & Media Depth Chart & Explanation
- Mound Guidance Document
- Field Book For Sampling and Describing Soils
- Distribution Networks
- Natural Resources Conservation Service Web Soil Survey
- EPA On-site Wastewater Treatment Systems Manual
- Soil Texture-LTAR-Triangle Chart
- Evapotranspiration On-Site Wastewater Treatment System Sand Media Policy
- Evapotranspiration Guidance Manual
- Evapotranspiration Design Spreadsheet - ET99
- Evapotranspiration Design Spreadsheet - ET99PEAK
- Evapotranspiration Design Spreadsheet - ETAVG3
- Denver Metro Area Watershed Map
- Denver Metro Area Watersheds and Flood Zone Map
- National Wetlands Inventory
Contact
Environmental Health Office
Email
303.288.6816
7190 Colorado Blvd.
Ste. 200
Commerce City, CO 80022