Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study -...

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Elbert County Rural Water Supply Study - Workshop 2 - April 13, 2017 Elbert County Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. Forsgren Associates, Inc. DRAFT INFORMATION

Transcript of Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study -...

Page 1: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

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

Page 2: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

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

Page 3: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

1. Introduction and Purpose

• Existing County Water Supplies

• Growing Water Demands-> 2035, 2050

• Strategy to Meet Demands

• Planning Options

• 5 Alternatives -> 3 for FurtherStudy

Page 4: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

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!

Page 5: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

2. Water Supplies

Acre-Foot (AF)

Page 6: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

2. Water Supplies

Colorado’s Divide• 80% population on East Slope

• 80% water on West Slope

Page 7: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

2. Water Supplies

Elbert County Groundwater• Creeks

• Alluvial Water

• Denver Basin Aquifers

• Designated Basins

Page 8: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

2. Water Supplies

Water Use In Colorado• >60% leaves state• Remaining: 5.3 MAF:

• 89% Agricultural use

Page 9: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

Denver Basin Aquifer Cross Sections

3. Denver Basin Groundwater Review

Page 10: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

Aquifer Drawdown Trends

< ADD GRAPHICS >

3. Denver Basin Groundwater Review

Page 11: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

County Population Estimates

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4. Future Water Needs

Page 12: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

Projected Water Demands

(ACRE-FT / YEAR)

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4. Future Water Needs

Page 13: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

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5. Planning Strategies

• Denver Basin Groundwater

Preservation

Drought Supply

• Renewable Water Supplies

Mixture Of Options

Page 14: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

A. Reliance on GroundwaterContinue development of Denver Basin aquifersNo water sources pursued

6. Water Supply Options

Page 15: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

B. Purchase and Import Renewable Water

Purchase Junior Water Rights – S. Platte River System

Increased Competition

6. Water Supply Options

Page 16: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

C. Reuse Water Systems Indirect Potable Reuse

6. Water Supply Options

WastewaterTreatment

Facility

ReuseTreatment

Facility

Wells

WaterTreatment

Facility

Page 17: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

D. Increase Surface Storage• Repurpose Small Existing Sites

• Build Large, Centralized Storage

• Large Sites Difficult to Permit

• Evaporative Losses / Maintenance

6. Water Supply Options

Page 18: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

E. Aquifer Storage and Recovery (ASR)

< ADD GRAPHICS >

6. Water Supply Options

Page 19: Elbert County Rural Water Supply Study - Workshop 2 County... · Rural Water Supply Study - Workshop 2 - April 13, 2017 Forsgren Associates, Inc. DRAFT INFORMATION. Presentation Overview

7. Project Alternatives DRAFTINFORMATION

11,400