Equus beds asr program a case study in success
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Equus Beds ASR Program A Case Study in Success. Texas Innovative Water 2010 Seminar October 11, 2010. Outline. Concept Purpose and Need Planning and Development Funding Phase II Program Keys to Success. Source of Recharge Water. Above Base Flow Conditions

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Equus beds asr program a case study in success

Equus Beds ASR ProgramA Case Study in Success

Texas Innovative Water 2010 Seminar

October 11, 2010


Outline
Outline

  • Concept

  • Purpose and Need

  • Planning and Development

  • Funding

  • Phase II Program

  • Keys to Success


Source of recharge water
Source of Recharge Water

  • Above Base Flow Conditions

  • Expect to Recharge 120 days/year

    • Spring & Early Fall

  • Little Arkansas River

    • High Turbidity (5 to 2,000 NTU)

    • Atrazine (<1 to 50 mg/L)


Typical storm event

Min. Flow Rate for

Phase II Intake (30 MGD)

7 to 10 Days

Typical Storm Event


Sources of supply
Sources of Supply

Burrton

Equus Beds Well Field

Cheney Reservoir

Arkansas River

Little Arkansas River

Local Well

Field

Bentley Well Field

Wichita

Wichita Water System:

186 mi2 Service Area

425,000+ Served


Meet water supply demands
Meet Water Supply Demands

Max Day Demands

(no additional conservation)

Max Day Demands

(with additional conservation)

Total Supply – 130.5 mgd

Bentley Wellfield – 11.5 mgd

Local Wellfield – 7 mgd

Equus Beds Wellfield – 40 mgd

Cheney Reservoir – 72 mgd

Source: Aquifer Storage & Recovery Program Review, Water Supply Plan (HDR, 2010)


Reverse water level declines

>40 feet of water-level decline since 1950

Reverse Water-Level Declines

  • Groundwater pumping has created a depression

  • 65 Bgal of storage capacity available (return to 1940 water levels)


Protect water quality

City Wells

City Wells

Protect Water Quality

1998

2006


Planning development
Planning & Development

  • Integrated Local Water Supply (ILWS) Plan

    • Evaluated 27 Alternatives

    • Approved 1993

    • Meet 2050 Water Demands

    • Principal Component is a 100-MGD ASR Program


Imported water alternative

120 Miles

Imported Water Alternative

  • Milford Reservoir Alternative

Milford Reservoir

15 Cities from Wichita to Chapman

Wichita


Asr a win win solution
ASR: A Win-Win Solution

  • Reliable & Sustainable Water Source

  • Preserve Equus Beds Water Quality

  • No Requirements to Curtail Irrigation

  • Lower Pumping Costs

  • Augments Low Flows

  • Less Land Required

  • Avoid Evaporation Losses


Impediments to asr program
Impediments to ASR Program

  • 1st ASR Project in Kansas

  • No Regulations to Administer

  • No Proof ASR would not Contaminate the Aquifer

  • Poor Image of City in Project Area


Partnering with reclamation
Partnering with Reclamation

  • Equus Beds Groundwater Recharge Demonstration Project (1980’s)

    • High Plains Groundwater Demonstration Program

    • ASR is feasible and suitable for full-scale implementation

  • Congressman Tihart (KS) introduced bill to authorize Reclamation’s funding participation

    • P.L. 109-299 passed in 2006

    • 25% up to $30M ($41M in today’s $s)

  • Reclamation sponsored City’s EIS

    • ROD issued January 2010 (18 months)


External funding support
External Funding / Support

  • U. S. Bureau of Reclamation

    • Special Authorization

    • Cooperative Agreement

  • State of Kansas

    • Kansas Water Office

    • Up to $1M/year

  • U. S. Geological Survey

    • Data Collection

    • Groundwater Monitoring



Asr phase ii program
ASR Phase II Program

  • 30-MGD Capacity

  • ASR Facilities

    • River Intake

    • Treatment Plant

    • 31 ASR Wells

    • Recharge Basin

    • 40+ miles of Pipelines

    • Power lines & substation

    • Surge Tanks




Asr phase ii facilities2

Clearwell

AOP Building

Membrane Building

ASR Phase II Facilities

  • Surface Water Treatment Plant


Recharge accounting

“Index Cell”

(4 mi2)

Groundwater Model Boundary

Recharge Accounting

Source: USGS, 2010


Keys to success
Keys to Success

  • Partnerships

  • Phased Implementation

  • Favorable Administration and Accounting Framework

  • Nearby Recharge Water Source

  • Strong Leadership


Acknowledgements
Acknowledgements

  • David Warren

    • Retired Director, Wichita Water Utilities

  • Jerry Blain

    • Retired Superintendent, Wichita Water Utilities

  • Chris Carrier

    • Director of Public Works, City of Wichita (deceased)

  • Deb Ary

    • Superintendent of Prod. & Pumping, City of Wichita

  • Tom Jacobs & Andrea Cole

    • Program Management


Questions
Questions?

Cortney BrandR. W. [email protected]


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