Boulder County
Public Health
3450 Broadway
Boulder, CO 80304
(303) 441-1100

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Handling and disposal of waste and wastewater can have significant detrimental impacts on public health.

• Always consult a licensed professional or public health official with questions regarding engineering, installation, and servicing of onsite wastewater systems.
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• Licensed Professionals

• Cleaners List (PDF)
• Engineers List (PDF)
• Installers List (PDF)
• Inspectors List (PDF)
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• License Applications for Professionals

• Cleaner License Application (PDF 164 KB)
• Engineer License Application (PDF 62 KB)
• Installer License Application (PDF 60 KB)
  • Installer License Process
  • Installer Licensing Exam (PDF 87 KB)
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• General Resources

• EPA Information for Professionals
• Regulations (County, State, Federal)
• National Onsite Wastewater Recycling Association, Inc. (NOWRA)
• USDA Soil Survey

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Please Note: This information is intended to provide a better understanding of the functions of onsite wastewater treatment and the need for proper design, installation, and maintenance. Always consult a licensed professional or public health official with questions regarding engineering, installation, and servicing of onsite wastewater systems.