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Agricultural Water Use and Permitting. Flint River Basin Water Conservation and Development Plan Technical Advisory Committee – Jim Hook, presenting. FRB Regional Water Conservation and Development Plan Needs. Understanding of why water use for irrigation (Who benefits)

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agricultural water use and permitting

Agricultural Water Use and Permitting

Flint River Basin Water Conservation and Development Plan

Technical Advisory Committee – Jim Hook, presenting

Flint River Basin TAC

frb regional water conservation and development plan needs
FRB Regional Water Conservation and Development Plan Needs
  • Understanding of why water use for irrigation
    • (Who benefits)
  • How did it develop, how is it regulated
    • (who will have to change in response to the plan, who can be affected by changes)
  • What is the nature and extent of the use
    • (when, where, how much, which water sources are tapped)
  • Potentials for reducing water consumption
    • (what changes can be made to the existing irrigation infrastructure to reduce water use, if necessary)
  • Potential of resource to sustain current and further use.
    • (How well are the water sources supplying the system now; how will they be affected in the future; collateral damage)
irrigation development in georgia
Irrigation Development in Georgia
  • Relatively recent
  • Individuals farm decisions
  • Water resource put to work
  • Water efficient
  • No government regulation
  • Economic benefit to region
why irrigation in a humid area
Why irrigation in a humid area
  • Water resource put to work
  • Risk aversion, banks and farmers
  • Economic benefit to region
  • Multiple efficiencies (land & fertilizers)
types of irrigation in georgia
Types of irrigation in Georgia
  • Portable pipe & guns or sprinklers
  • Permanent sprinklers (Solid set)
  • Travelers
  • Center Pivots
  • Drip & microirrigation
  • What is not used – surface and subsurface
  • What is being done and can be done to minimize wasting water during application
trends in irrigation equipment
Trends in irrigation equipment
  • Strongest driving factor is labor savings
  • Second highest is flexibility
  • Trend is towards water application efficiency through system change-over
  • Upgrades in existing equipment (save money through energy savings)
  • Precision timing and application
water resources tapped
Water resources tapped
  • Farm ponds
  • Stream direct – not large rivers
  • Other surface water resources – lagoons, wetland ponds, cypress swamps, bayou, sink holes, springs
  • Groundwater – “deep” wells
  • Refilled sources – well-to-pond
  • Water supply “systems”
water regulation
Water Regulation
  • 1972 legislation – Non Ag Permitting
  • 1988 legislation – Ag Permitting
  • 2000 legislation – FRDPA
  • 2003 legislation – Meters required
sources of information irrigation amounts depths
Sources of Information: Irrigation Amounts - depths
  • Farmer estimates
  • Irrigation research
  • Irrigation surveys
    • USDA, CES, IA, NRCS, USGS
  • FSA data
  • Water Withdrawal Permits
  • Crop Models
  • Field monitoring studies
    • Benchmark
    • Ag Water Pumping
  • Comprehensive water metering
  • Available Water Use Reports
irrigation amounts depths
Irrigation Amounts - depths
  • Ag Water Pumping
    • 1999-2004
    • Monthly
  • Meters
sources of information irrigation amounts area
Sources of Information: Irrigation amounts - area
  • Irrigation surveys
    • USDA, CES, NRCS, NRI
  • FSA data and imagery
  • Water withdrawal permits
  • Field paper based mapping
    • 1980, 2003 (CZ)
  • GIS-based mapping
    • UGA aerial
    • Permit mapping
    • Meter mapping
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