Wastewater Design Criteria

wastewater treatment plant with sunrise

The Design Criteria for Domestic Wastewater Treatment Works also known as Policy WPC-DR-1, is a key policy used as a basis for reviewing and making determinations of design applications for domestic wastewater treatment works in Colorado. The division routinely updates the document to maintain industry standards and alternative technologies with input from stakeholders

The division executed a stakeholder process from June 2021 through May 2022. The process included notifications to stakeholders, including domestic wastewater utilities and engineering firms that signed up for email notifications related to Regulation 22. We solicited feedback on the scope of the update, requested suggestions on sections to be clarified, proposed clarifications and updates, gathered feedback on the proposed changes, and provided responses to comments. The new design criteria became effective on June 7, 2022.

 

How to get involved

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Engagement overview

The division completed a stakeholder process from June 2021 through May 2022. The process included notifications to stakeholders, including domestic wastewater utilities and engineering firms that signed up for email notifications related to Regulation 22. We solicited feedback on the scope of the update, requested suggestions on sections to be clarified, proposed clarifications and updates, gathered feedback on the proposed changes, and provided responses to comments. The new design criteria became effective on June 7, 2022.

Contact

For more information, please contact David Kurz at david.kurz@state.co.us.