WSP04556

• File Number: 8449.900
• Description: Bear Creek
• State: CO
• Basin: South Platte
• Date: 12/1/1991
• Author: Leonard Rice
• Title: Change of Pioneer Union and Hodgson Ditch Water Rights for Use at Fox Hollow Golf Course Cae 90CW185 - Supplemental Engineering Report
• Water Supply Pro - Doc Type: Publication

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SUPPLEMENTAL ENGINEERING REPORT

I. INTRODUCTION

In December, 1990, the City of Lakewood filed a water court application (Case No. 90CW185)
requesting any necessary changes be made to the following interest (subject water rights) in the
Pioneer Union and Hodgson Ditches to allow that interest to serve portions of the proposed Fox
Hollow at Lakewood Golf Course,

. 14,569 shares in Pioneer Union Ditch (18.21 % of 80 shares associated with Pioneer Union)
- 32.50 shares in Hodgson Ditch (8,125% of 400 shares associated with Hodgson Ditch)

The legal issues presented are whether the use of Pioneer Union shares above the ditch and South
of Bear Creek is to be considered by the court as a change in place of use, and if so, whether
changing the place of use requires consumptive use analyses if irrigated acreage remains the same
or less,

In June, 1991, an engineering report titled "Preliminary Engineering Assessment of the Pioneer
Union and Hodgson Ditch Water Rights" was distributed to objectors. The preliminary
engineering analyses were based on the premise that the subject water rights could continue to
be used for irrigation even at a new place of use if the new acreage to be served did not exceed
the historic acreage served,

In furtherance of settlement discussions with objectors Lakewood agreed to perform comparative
analyses of historic consumptive use and golf course usage, This supplemental report
summarizes the historic use of the subject water rights assuming a change is required and the
future use is limited to historic diversions and depletions. This report also proposes terms and
conditions for such a water right change, This report deals only with subject water rights in the
Pioneer Union and Hodgson Ditches as indicated above and is not intended to address other
interest that Lakewood may have in these ditch systems,

II, HISTORIC USE

Water derived from the subject water rights in the Pioneer Union and Hodgson Ditches has
historically been applied for irrigation of land adjacent to Bear Creek. Historic information (Le,
aerial photographs, statements made by former owners, water use data) has been reviewed to
obtain information on the historic use of the subject water rights. The primary elements (acreage,
diversions, consumptive use, etc,) were input to analyses of historic water use performed with
a monthly time step,

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~ Leonard Rice Consulting Waler Engineers, Inc.