Regulation 87 Application Update

Published On: August 18, 2026

In August, the Colorado Department of Public Health and Environment (CDPHE) Water Quality Control Division (WQCD) sent out a public notice that they had deemed Aurora Water’s Individual Authorization application for the proposed Wild Horse Reservoir to be complete. The completeness determination is a procedural finding and does not represent a decision on the project itself.

September 4, 2026

The formal public notice was published in the Water Quality Information Bulletin on September 4, 2026. This formally opened the public comment period for Aurora Water’s Individual Authorization application for the proposed Wild Horse Reservoir Project. Please visit CDPHE’s Wild Horse Reservoir Project webpage for more information.

CDPHE’s Regulation 87 Wild Horse Reservoir Project webpage

CDPHE’s September Water Quality Information Bulletin

August 12, 2026

From the August 12, 2026, email:


Dredge and Fill Public Notice: Complete Individual Authorization Application by Aurora Water for the Wild Horse Reservoir Project

Review the public notice and application materials

The Water Quality Control Division is providing Public Notice of a Complete Individual Authorization Application by Aurora Water for the proposed Wild Horse Reservoir Project. The official public notice and application materials are available via OnBase, the division’s official records repository.


More information and application materials are available on CDPHE’s Wild Horse Reservoir Project webpage