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Aspinall Unit Reservoir Operations 2014

This article examines the operational considerations of the Aspinall Unit Reservoir, including water storage, compact development, power production, flood control, downstream flow requirements, target elevations, and meeting flow targets. It also discusses the impact of drought on reservoir operations and the provision for drought recovery. The operational goals for the Spring of 2013 are outlined, with a focus on meeting water rights and peak flow targets.

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Aspinall Unit Reservoir Operations 2014

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  1. Aspinall Unit Reservoir Operations 2014

  2. Operational Considerations • Aspinall Unit Purposes • Water storage / Compact Development • Power Production • Flood Control • Downstream Flow Requirements - including Senior Water Rights, timing side-inflows • Target Elevations • Meeting the ROD flow targets at Whitewater • Others - Including Recreation and Safety

  3. *Drought Recovery Provision Ave Dry/Mod Dry/Dry year following a Dry Year Blue Mesa content < 550 kaf on Dec 31

  4. Whitewater Baseflow Targets • Drought Rules • During Dry and Moderately Dry years, if Blue Mesa Reservoir content drops below 600,000 af, the Whitewater baseflow target is reduced from 1050 cfs to 900 cfs until Blue Mesa Reservoir content exceeds 600,000 af

  5. 2013 Spring Operational Goals • Black Canyon Water Right • One Day Peak Target 685 cfs • ROD Peak Flow at Whitewater • 900 cfs (1 days) • <14,000 cfs at Delta, CO • Safe Ramping Rates • Fill Blue Mesa

  6. Black Canyon Water Right was meet starting on June 3rd

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