Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study -...
Transcript of Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study -...
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Elbert CountyRural Water Supply Study
- Workshop 2 -
April 13, 2017
Elbert CountyRural Water Supply Study
- Workshop 2 -
April 13, 2017
Forsgren Associates, Inc.Forsgren Associates, Inc.
DRAFTINFORMATION
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Presentation Overview
1. Introduction and Purpose
2. Water Supplies
3. Denver Basin Groundwater ReviewDenver Basin Aquifers
Groundwater Trends
4. Future Water NeedsPopulation Estimates / Water Users
Future Water Demands
5. Planning Strategies
6. Water Supply Options
7. Project Alternatives
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1. Introduction and Purpose
• Existing County Water Supplies
• Growing Water Demands-> 2035, 2050
• Strategy to Meet Demands
• Planning Options
• 5 Alternatives -> 3 for FurtherStudy
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2. Water Supplies
Colorado’s Water Plan (By 2050):• 500,000 AF Water Supply Gap
• 400,000 AF Met by Efficiency, Reuse
PLANNING HAS BEGUN!
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2. Water Supplies
Acre-Foot (AF)
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2. Water Supplies
Colorado’s Divide• 80% population on East Slope
• 80% water on West Slope
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2. Water Supplies
Elbert County Groundwater• Creeks
• Alluvial Water
• Denver Basin Aquifers
• Designated Basins
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2. Water Supplies
Water Use In Colorado• >60% leaves state• Remaining: 5.3 MAF:
• 89% Agricultural use
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Denver Basin Aquifer Cross Sections
3. Denver Basin Groundwater Review
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Aquifer Drawdown Trends
< ADD GRAPHICS >
3. Denver Basin Groundwater Review
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County Population Estimates
DRAFTINFORMATION
4. Future Water Needs
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Projected Water Demands
(ACRE-FT / YEAR)
DRAFTINFORMATION
4. Future Water Needs
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DRAFTINFORMATION
5. Planning Strategies
• Denver Basin Groundwater
Preservation
Drought Supply
• Renewable Water Supplies
Mixture Of Options
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A. Reliance on GroundwaterContinue development of Denver Basin aquifersNo water sources pursued
6. Water Supply Options
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B. Purchase and Import Renewable Water
Purchase Junior Water Rights – S. Platte River System
Increased Competition
6. Water Supply Options
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C. Reuse Water Systems Indirect Potable Reuse
6. Water Supply Options
WastewaterTreatment
Facility
ReuseTreatment
Facility
Wells
WaterTreatment
Facility
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D. Increase Surface Storage• Repurpose Small Existing Sites
• Build Large, Centralized Storage
• Large Sites Difficult to Permit
• Evaporative Losses / Maintenance
6. Water Supply Options
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E. Aquifer Storage and Recovery (ASR)
< ADD GRAPHICS >
6. Water Supply Options
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7. Project Alternatives DRAFTINFORMATION
11,400