Agenda Date: 11/15/2016
Subject:
Title
An ordinance on second reading granting a temporary easement to Civil and Environmental Engineering Department Colorado State University for a streambed study in South Platte Park
Body
Presented By:
Mark Relph, Public Works and Utilities Director
POLICY QUESTION:
Does city council support granting a temporary construction easement to Colorado State University's (CSU) Civil and Environmental Engineering Department for a streambed study in South Platte Park?
BACKGROUND:
The City of Littleton owns the SPP property, located north of C-470 and along the South Platte River. Parcels of land were acquired beginning in the 1970's to preserve the natural floodplain. Parts of the streambed were recently stabilized through a joint effort of the City of Littleton, South Suburban Parks and Recreation (SSPR), Arapahoe County, and Urban Drainage & Flood Control District.
Centennial Water & Sanitation District (Centennial W & S) owns and operates municipal water supply wells adjacent to the east boundary of the park between West Mineral Avenue and C-470. When Centennial W & S pumps water from its wells, the impact of groundwater drawdown on adjacent park trees, or flow in the river are not well known. Centennial W & S has been working with CSU's Civil and Environmental Engineering Department to develop the scope of a study to better determine effects of shallow groundwater pumping not only in Littleton, but throughout the lower South Platte River basin. CSU has determined the portion of South Platte Park adjacent to Centennial W & S wells is an ideal site for such a study due to available river flow gauges data, Chatfield Reservoir outlet control, and Centennial W & S pumping schedules.
Centennial W & S has asked the City of Littleton to grant a temporary construction easement to CSU, who will drill temporary monitoring wells in SPP for the study.
STAFF ANALYSIS:
CSU proposes to drill five, temporary small diameter (4") and shallo...
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