Innovations in High Plains Water Management Institutions€¦ · Sustaining freshwater ecosystem...
Transcript of Innovations in High Plains Water Management Institutions€¦ · Sustaining freshwater ecosystem...
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Innovations in High PlainsWater Management Institutions
Nick Brozovic
Director of PolicyRobert B. Daugherty Water for Food Institute
University of Nebraska
NWC / 19 March 2015
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Groundwater plays a critical role in
• Mitigating drought andclimate change risk
• Maintaining agriculturalproductivity, food security,and rural economies
• Sustaining freshwaterecosystem services
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U.S. agricultural groundwater policy and law
• Federal level
• State level
• Local level (county, basin)
• Hyper-local level (sub-basin)
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1. Metering
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State of agricultural groundwater metering
• The Upper Republican NRD in Nebraska started meteringin 1978 and was fully metered by 1982
• Meters are also found elsewhere in the HPA region
• Nebraska
• Kansas
• Texas
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State of agricultural groundwater metering
• There are more meters currently in the HPA region than inany other aquifer in the world
• Meters can be controversial
• Monitoring of pumping restrictions is possible withoutmeters through certification of irrigated acreage
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2. Groundwater tradable permit systems
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Design of groundwater trading systems
• Consideration of spatial externalities• Often a primary driver of regulation• Lead to complex rules and regulations e.g. zoning, offsets
• Conveyance issuesUnlike surface water markets, conveyance is not an issue
• Consumptive water use• Existing markets transfer either applied water or irrigated
acreage• Reasons are likely pragmatic
• Other considerations• Paper water, carryover provisions. . .• There is enormous institutional variation and complexity
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State of agricultural groundwater trading
There are growing number of regions with emergent informaland formal groundwater markets:
• High Plains region• Nebraska (e.g. Republican and Platte River Basins)• Kansas (e.g. Sheridan-6 LEMA)
• Australia(National Water Initiative e.g. Murray-Darling Basin)
• Other regions(Texas, Arizona, California, New Zealand, China, South Asia)
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3. Aquifer depletion regulations
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Aquifer depletion and regulation
• Aquifer depletion is a very popular theme in the news
• To date, most binding changes in groundwater policy havebeen driven by surface water-groundwater interaction, notaquifer depletion
• There are now a few cases where enforceable regulationsare occurring due to aquifer depletion and well interference
• Sheridan-6 LEMA (GMD #4)• Lower Elkhorn NRD
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Innovation and failureCentral Valley Aquifer, California
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Thank you!Nick Brozovic, [email protected]