Upper McKay Lake Watershed OSP

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Public Meeting: October 24th, 2018

Open House: 6:00 - 7:30 PM

Broomfield Health and Human Services Building - Heritage Conference Room

100 Spader Way Broomfield, CO 80020

Under the Urban Drainage and Flood Control District’s Master Planning Program, stormwater planning studies are periodically conducted to assess detention, water quality, and drainageway needs in watersheds across the Denver metro area. This watershed was previously studied as part of the 2001 McKay Lake and Quail Creek OSP Study by Kiowa Engineering Corporation.  The goal of this current study is to provide an update to the upper portion of the McKay Lake Drainageway.

McKay Lake is located in the City of Westminster, Colorado.  The watershed draining to the lake is primarily located within the City and County of Broomfield.  This study only analyzes the area draining to the lake itself. 

Since the previous OSP was completed, many improvements have been made to the drainageway.  The watershed is close to full build out, and land use is not expected to change in the future. The City and County of Broomfield is also currently going through the design process to expand portions of Dillon Road/West 144th Avenue.  This OSP study was undertaken to update the 2001 OSP for the final build out condition and determine infrastructure requirements that will go into the expansion of the roadway.  By completing the study before design is completed on the roadway, infrastructure can be installed now, limiting future construction that would disturb the roadway.

The Outfall Systems Plan process includes an update of the watershed hydrology; development and evaluation of alternate drainage improvements; selection of a preferred alternative; and preliminary design of the preferred alternative including estimated costs. The completed study will serve as a guide for implementing drainage improvements within the watershed.

Project deliverables will be available at the following stages:  Baseline Hydrology, Alternatives Analysis and Conceptual Design. The following reports are available for download:

Document Status Date File

Baseline Hydrology

Complete

May 2018

PDF
Alternatives Analysis Addressing Comments October 2018 PDF

Conceptual Design

  May 2019  

 

The project is funded by the Urban Drainage and Flood Control District (UDFCD) and the City and County of Broomfield. Muller Engineering Company, Inc. was selected to complete the study.

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