Onsite Wastewater Treatment Systems: Regulations, Fees, & Forms

Regulations

Regulation of onsite wastewater is done at the local level. Boulder County Public Health (BCPH) regulations govern all OWS in Boulder County. These regulations incorporate the guidelines established by the Colorado Department of Public Health and Environment (CDPHE); however, they are more stringent in some areas.

• Boulder County Regulations
• Boulder County Clarification and Policy Documents
  • Supply Shortage due to COVID-19
  • Minor & House Connect Permit Fees
  • “No Closer Than” Allowance to Setbacks Requirements
  • Squirt Test Requirements
  • Siphon for Pressure Dosing Requirements
  • Onsite Wastewater Treatments System Sizing for Accessory Dwelling Units
• Colorado Regulations
• CDPHE Regulation Clarification
• OWTS Act
• Colorado Revised Statutes

Fees

• Permit & Fee Schedule

Guidelines

• National Onsite Wastewater Recycling Association, Inc. (NOWRA) Model Code
• EPA Guidelines Factsheet

Licensed OWS Professionals

• SepticSmart: Licensed Professionals

Forms

• SepticSmart: Forms & Applications

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.