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

Please 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.

Please use the appropriate forms below for these changes.

• Letter of intent 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.

• For the use of reclaimed water:

  • Irrigation UPC Application

  • Industrial UPC Application

  • Commercial UPC Application

  • Fire protection UPC Application

  • Toilet and Urinal Flushing UPC Application

  • Commercial Food Crop Growing

  • Non-commercial Food Crop Growing

  • Resident Controlled Food Crop Irrigation

  • Edible and non-Edible Hemp Irrigation 

  • 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.

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.

Notice of Authorization - Use of reclaimed water

Annual report for use of reclaimed water

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).