Deschutes Water Alliance Water Bank Water Management in the - - PowerPoint PPT Presentation

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Deschutes Water Alliance Water Bank Water Management in the - - PowerPoint PPT Presentation

Feb 15, 2023 131 likes •390 views

Deschutes Water Alliance Water Bank Water Management in the Deschutes Basin BALAN BALANCING WATER DEMAN ING WATER DEMAND IN IN TH THE DESCH E DESCHUTES BASIN TES BASIN What is the Deschutes Water Alliance? The Deschutes Water Alliance

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Deschutes Water Alliance Water Bank

Water Management in the Deschutes Basin

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What is the Deschutes Water Alliance?

The Deschutes Water Alliance (DWA) was formed The Deschutes Water Alliance (DWA) was formed in 2004 by the Deschutes Basin Board of Control in 2004 by the Deschutes Basin Board of Control (DBBC), The Confederated Tribes of Warm Springs, (DBBC), The Confederated Tribes of Warm Springs, the Deschutes River Conservancy (DRC), and the the Deschutes River Conservancy (DRC), and the Central Oregon Cities Organization (COCO) to plan Central Oregon Cities Organization (COCO) to plan for the future water management of the Deschutes for the future water management of the Deschutes River Basin. River Basin.

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Deschutes Water Alliance

GOALS

  • Improve streamflows and water quality for

Improve streamflows and water quality for the benefit of fish, wildlife and people. the benefit of fish, wildlife and people.

  • Secure and maintain a reliable and

Secure and maintain a reliable and affordable supply of water to sustain affordable supply of water to sustain agriculture. agriculture.

  • Secure a safe, affordable, and high quality

Secure a safe, affordable, and high quality water supply for ur water supply for urban communities. ban communities.

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What is the DWA Water Bank?

The DWA Water Bank is a cooperative The DWA Water Bank is a cooperative forum where water coming off urbanizing forum where water coming off urbanizing lands within irrigation districts can be lands within irrigation districts can be transferred to meet the new needs of transferred to meet the new needs of Central Oregon cities and rivers. Central Oregon cities and rivers.

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Members of the DWA Water Bank

  • Deschutes River

Deschutes River Conservancy Conservancy

  • Central Oregon

Central Oregon Irrigation District Irrigation District

  • Swalley Irrigation

Swalley Irrigation District District

  • City of Bend

City of Bend

  • City of Redmond

City of Redmond

  • Avion Water Company

Avion Water Company

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DWA Water Bank

Main Objective

Avoid unnecessary competition Avoid unnecessary competition among entities seeking water among entities seeking water through close coordination of through close coordination of key water suppliers and key water suppliers and qualified buyers qualified buyers

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Competing Demands for Water

  • Agriculture

Agriculture

  • Rivers and Streams

Rivers and Streams

  • Cities

Cities

  • Rural Development

Rural Development (Resorts) (Resorts)

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DWA Water Bank – One Stop Shop

Buyers can find water for the following uses: Buyers can find water for the following uses:

1 1 - Permanent & Temporary Mitigation Credits for: Permanent & Temporary Mitigation Credits for: + + New municipal & quasi municipal uses

New municipal & quasi municipal uses

+

Agricultural uses that require mitigation Agricultural uses that require mitigation

2 – 2 – Instream Flow Restoration through: Instream Flow Restoration through: + + Temporary instream leasing

Temporary instream leasing

+

Permanent instream transfers Permanent instream transfers

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DWA Water Bank Benefits

  • Provides a cost effective, timely, voluntary and

transparent marketplace for water

  • Respects prior appropriation and private

property rights

  • Compensates suppliers to cover the loss of

irrigation district assessment fees

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DWA Water Bank Benefits

  • Creates a predictable method of obtaining

mitigation credits

  • Reduces the possibility of water speculation
  • Recognizes instream needs on equal footing with
  • ther beneficial uses of water
  • Helps local governments and DWA Bank

members address potential needs under ESA & Clean Water Act

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DWA Water Bank Benefits

  • Creates a forum for ongoing coordination of water

demand & supply

  • Allows voluntary participation in both public & private

entities

  • Creates transparent, defensible water supply findings

for city & county land use applications, preventing costly litigation & confusion over water availability

  • Continues Deschutes Basin tradition of innovative,

collaborative water management solutions

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Why Do Cities Need the DWA Water Bank?

  • No more

No more surface surface wate water rig r rights available in ts available in the Deschutes Basin the Deschutes Basin

  • Cities have turned to groundwater to

Cities have turned to groundwater to supply new water demands supply new water demands

  • Growing demand for g

Growing demand for groundwate

  • undwater led to

r led to concerns that groundwater withdrawals concerns that groundwater withdrawals are impacting surface water flows in the are impacting surface water flows in the Lower Deschutes Rive Lower Deschutes River - r - Scenic Waterway cenic Waterway Flows Flows

  • Mitigation is now required to offset the

Mitigation is now required to offset the groundwater withdrawals groundwater withdrawals

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Mitigation Needed for Peak Summer Demand

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What is the Deschutes Basin Groundwater Mitigation Program?

For wells that are drilled in the Deschutes For wells that are drilled in the Deschutes Basin Groundwate Basin Groundwater Study Are r Study Area, the , the groundwater permit a groundwater permit applicant has to offset pplicant has to offset the impact of the new water use by the impact of the new water use by re returning turning surface surface wate water to the r to the De Deschu schute tes s River or a tributary. River or a tributary. In order to re In order to receive ceive a groundwate a groundwater pe permit, rmit, the groundwater applicant can satisfy this the groundwater applicant can satisfy this need by acquiring g need by acquiring groundwate

  • undwater mitig

mitigation tion credits. credits.

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Urbanization of Urbanization of Irrigation Irrigation Districts Districts Irrigation District Irrigation District Agricultural Land Agricultural Land in Basin in Basin +/- +/- 160,000 160,000 Acres Acres UGB’s overlay UGB’s overlay Irrigated Land Irrigated Land

Bend Bend Madras Madras Redmond Redmond Prineville Prineville Sisters Sisters

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Role of Irrigation Districts in DWA Water Bank

Why do Districts want to participate? Why do Districts want to participate?

  • Urbanization

Urbanization

  • Loss of irrigated acres

Loss of irrigated acres

  • Loss of assessment revenue

Loss of assessment revenue

  • Threat of Endangered Species

Threat of Endangered Species

  • Bull Trout

Bull Trout

  • Reintroduction of steelhead

Reintroduction of steelhead

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W inter Flow Sum m er Flow Natural Flow

4

Why Streamflow Restoration Buyers Participate in the DWA Water Bank

To Address Low Summer Flows & Low Winter Flows in the Deschutes River

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District Water Reserves Urbanized Water Rights Fill Reserves

Municipal Water Supply

Streamflow Restoration Other Mitigation Supply Proportionately Fill Targets

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Current Distribution of Water

90% 1% 5% 4%

Agriculture Municipal & Industrial Resorts Instream

all figures in acres of beneficial use equivalents

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Demand for “New” Water -2025

Demand: Water Redistributed to New Uses, 2025

Agriculture 13% Resorts etc. 9% Municipal 2% Instream 76%

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How to Supply New Demands?

Supply: Water Redistributed by Source, 2025

Conservation 49% Reservoir Management 19% Leasing 8% Water Transfers 24%

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Future Distribution - 2025

70% 5% 3% 22%

Agriculture Municipal & Industrial Resorts Instream

all figures in acres of beneficial use equivalents

Pie is 22% larger Pie is 22% larger

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For More Information

The Deschutes River Conservancy administers and staffs the DWA Water Bank. For more information, contact Zachary Tillman at 541.382.4077 ext. 21

  • r zach@deschutesriver.org.
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Additional Resources

Oregon Water Resources Department

The DWA Water Bank operates within existing Oregon water The DWA Water Bank operates within existing Oregon water law framework. For more information: law framework. For more information:

Flow Restoration: http://www.oregon.gov/OWRD/mgmt_instream.shtml http://www.oregon.gov/OWRD/mgmt_instream.shtml Deschutes Mitigation: http://www.wrd.state.or.us/OWRD/D http://www.wrd.state.or.us/OWRD/Deschutes_five_year_ev eschutes_five_year_eval.shtml l.shtml