Onsite Wastewater Treatment Systems

About On-site Wastewater Treatment Systems:

A septic system or on-site wastewater treatment system (OWTS) is a self contained, underground wastewater treatment system utilized in areas of the county where public sewer service is not available. An OWTS typically includes a watertight tank that receives wastewater from the home plumbing system and is then discharged to a soil treatment area where the effluent is filtered and treated by the soil before reaching drinking water well sources or surface water.

  1. Regulations
  2. Permitting
  3. Installation
  4. Inspections
  5. FAQs

On-site wastewater treatment systems in Clear Creek County are regulated by the local public health agency per the Clear Creek County Onsite Wastewater Treatment System Regulations. These regulations are effective in all areas of Clear Creek County - including incorporated areas. 

State Regulation #43 sets the standard and minimum regulatory requirements that all local laws must be at least as stringent as.  The Colorado Department of Public Health and the Environment, Water Quality Control Division are responsible for the approval of all septic tanks, proprietary distribution products and higher level treatment systems. 

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