PERMFILE69269

• Permit No: M2004051
• IBM Index Class Name: Permit File
• Doc Date: 10/27/2004
• Doc Name: Rationale for Recommendation for Approval Over Objections.
• From: DMG
• To: William Schenderlein Mike Refer Andrea L. Benson and Peter L. Baurer
• Media Type: D
• Archive: No

Rationale for Recommendation for Approval, Over Objections
Regular 112c Construction Materials Permit Application
Aggregate Industries-WCR, Inc.
Wattenberg Lakes Site, File No.1V[-2004-051
October 27, 2004
Introduction
On October 27, 2004 the Division of Minerals and Geology ("DMG") issued its recommendation for approval of a
112 Construction Materials Amendment Application, over objections. This document is intended to provide a basis
for the Division's recommended approval over various concerns and reasons for objection to the Wattenberg Lakes
Site, File No. M-2004-051
The Wattenberg Lakes application was found complete and considered filed with the Division on July 29, 2004. The
applicant proposes to mine sand and gravel at a site located approximately one mile northwest of Brighton, Colorado
west of the South Platte River and just south of Wattenberg, in Weld County. The property is located in portions of
Sections 2S and 36, Township 1 North, Range 67 West and Section 30, Township 1 North, Range 66 West of the
Sixth Principal Meridian. The proposed permit azea is approximately 421 acres in size, whereas approximately 24S
acres will be mined. The remainder of the area will consist of setbacks, road and utility right-of--ways, and
undisturbed wetland aeeas. The mining area is divided into three phases, summarized below:
Mining Area Area
acres Time for Mining
ears
Phase I 59 1.5
Phase II 44 2.0
Phase III 142 7.5

Totals 245 11
The Huett Ditch flows from south to north within the Phase III mining area. During the initial phases of mining the
majority of the ditch will be relocated further to the east of its present location. The ditch will be relocated to an azea
between the Pond 3 slurry wall and the South Platte River. Mining and sluny wall constmction activity will
generally be kept at teast 200 feet from the river, there will be some disturbance closer to the river where the ditch is
relocated, and where the conveyor bridge will be built to transfer the min<;d material across the river to an existing,
permitted operation on the east side of the river. The depth of the soil and overburden ranges from less than 1 foot to
S fee± and averages approximately 2.8 feet over the entire site. The depth of the aggregate material ranges from 2 feet
to 41 feet and averages approximately 24 feet. The majority of the mined. area will consist of three ponds, each of
which will be contained by slurry walls which will be constructed azound the perimeter of each pond. The total area
of the three ponds is 199 acres. Three other smaller aeeas will be mined without being sealed off. These areas will
be reclaimed as wetlands which will tota140 acres. An additional six acres will be reclaimed as access roads. The
primary future land use of the site will be for developed water storage.