Water quality reclaimed water (reuse) permits

The reclaimed water program is designed to promote the use of reclaimed water in Colorado. It includes requirements for reclaimed water to meet minimal standards, and for treaters and users of reclaimed water to employ best management practices and oversee its use.

• Regulation 84: Reclaimed Water Control.

Reclaimed water reuse stakeholders -Regulation 84

Applications

Prior to completing a Letter of Intent to Treat Reclaimed Water, Water Quality Planning Targets may be needed, and Engineering Review is required. Follow the links below for information on these processes.

• Facility design approval for drinking water and wastewater projects.

• Water Quality Planning Targets and Preliminary Effluent Limits (PEL)
  

Complete one of the following Letters of Intent to treat and supply reclaimed water.

• Letter of intent to treat and supply reclaimed water from a localized reclaimed water treatment system.

• Letter of intent to treat and supply reclaimed water from a centralized reclaimed water treatment system.

Complete the applicable UPC Application to use of reclaimed water.

• Irrigation UPC Application

• Industrial UPC Application

• Oil and Gas Operations UPC Application

• Commercial UPC Application

• Fire protection UPC Application

• Toilet and Urinal Flushing UPC Application

• Commercial Food Crop Growing UPC Application

• Non-commercial Food Crop Growing UPC Application

• Resident Controlled Food Crop Irrigation UPC Application

• Edible and non-Edible Hemp Irrigation UPC Application 

Do not complete a new User Plan to Comply form for the following reasons:

• Changing a contact.

• Transferring ownership of an existing Notice of Authorization.

• Modifying your Notice of Authorization.

• Terminating your Notice of Authorization.

Use the appropriate forms below for these changes.

• Reuse change of contact application.

• Reuse transfer application.

• Reuse modification application.

• Termination application
  • ​Terminate all permit types not managed in Colorado Environmental Online Services (CEOS) system.

• Termination application reclamation water supplement
  • Supplemental form required when terminating a discharge permit using the discharge as reclaimed water.

Annual Report

Annual report for use of reclaimed water

Policies and Guidelines

• WQP-21:Guidelines for determination of agronomic rate for application of reclaimed water under Colorado Regulation 84.

• WQP-25:Monitoring and reporting requirements for reclaimed water treatment facilities.

• CW-7 Reporting of surface water discharge associated with residential and landscape irrigation.

• Guidance for completing nitrogen agronomic rate analysis.

Reclaimed Water External Resources

• Rocky Mountain Water Environment Association (RMWEA).

• Rocky Mountain Section, American Water Works Association (RMSAWWA).

• Nitrogen and Irrigation Management (CSU Extension Office).

• Irrigation Scheduling: The Water Balance Approach (CSU Extension Office).