PUB00053

• Year: 1999
• Title: Metropolitian Water Supply Investigation Final Report
• Author: Hydrosphere Resource Consultants
• Description: Metropolitian Water Supply Investigation Final Report
• Publications - Doc Type: Water Resource Studies

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Metropolitan Water Supply Investigation

MWSI Results

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Tunnel collections systems. Denver's supplies derived from water reuse include its
effluent exchanges from the Metro and Bi-Cities wastewater plants to its upstream points
of diversion and storage. Denver does not currently use any Denver Basin groundwater
sources. Denver's water conservation efforts include a recently completed metering of its
entire service area, a water conservation-oriented rate structure and 18 other educational
and voluntary programs.

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The City of Englewood obtains its native South Platte supplies from changed irrigation
rights previously used to irrigate lands below Chatfield Reservoir and from storage rights
associated with McLellan Reservoir. Englewood's transbasin supplies include its
deliveries from the Ranch Creek collection system under a contract with Denver water
and from Boreas Pass Ditch. Englewood does not currently use any Denver Basin
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groundwater sources or reuse water.

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3.1.5.2. South Metro Sub-Region

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The South Metro sub-region includes the water provider members ofthe Douglas County
Water Resource Authority 4 and other smaIl providers in Douglas and Elbert Counties.

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Throughout this sub-region, Denver Basin groundwater is the primary source of supply
for most providers. One exception is the Centennial Water & Sanitation District, which
currently obtains most of its supplies from surface sources via Centennial's own water
rights and contract deliveries from Englewood and Denver Water. Also, the Roxborough
Park Metro District currently obtains its entire supply from Aurora under a raw water
delivery contract. Most of the other providers within this sub-region have alluvial wells
in the Cherry Creek or Plum Creek drainages and augmentation plans that allow them to
use some of their reusable groundwater return flows to increase their alluvial well
pumpmg.

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3.1.5.3. City of Aurora

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The City of Aurora currently meets its water needs through a combination of South Platte
changed irrigation rights and municipal rights, transbasin diversions, alluvial and
nontributary wells, water reuse and water conservation.

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3
While the City of Englewood is discussed in the MWSI report for the purpose of providing a complete overview, it
should be noted that Englewood did not participate in the MWSI process.
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The water provider members of the Douglas County W ~ter Resource Authority include Arapahoe County WateT &
Wastewater Authority, Centennial Water & Sanitation District, Parker Water & Sanitation District, East Cherry Creek
Valley Water & Sanitation District, Town of Castle Rock. Roxborough Park Water & Sanitation District, Stonegate
Village Metro District, Inverness Water & Sanitation District, Meridian Metro District, Castle Pines Metro District,
Castle Pines North Metro District, Cottonwood Water & Sanitation District, North Douglas County Water &
Sanitation District, Pinery Water & Sanitation District, Donata Water District and Willows Water District

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Prepared for the Colorado Water Conservation Board, Colorado Department of Natural Resources by
Hydrosphere Resource Consultants. 1002 Walnut Street. Suite 200. Boulder. CO Ro.102