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Discrepancies in Agricultural Water Use: Insights from the Suwannee River Symposium

This document presents findings from Dr. Jim Hook's exploration of agricultural water use patterns in Georgia, focusing on discrepancies identified in EPD permits. Key issues highlighted include unpermitted systems, unused permits, and the challenges of duplicate fields in irrigation data. The analysis reveals that some farms exceed their permitted water usage by 19%, while others irrigate 52% less than allowed. This presentation aims to promote environmentally sound agricultural practices while maximizing efficient water use and addressing the complexities of permitted acres.

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Discrepancies in Agricultural Water Use: Insights from the Suwannee River Symposium

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  1. Georgia Water Use Dr. Jim Hook National Environmentally Sound Production Agriculture Laboratory April 12, 2001 Suwannee River Symposium

  2. Ag Water Use – EPD Permits

  3. Ag Water Use – EPD Permits

  4. EPD Permitted Acres: Discrepancies • Unpermitted Systems + • Unused Permits - • Duplicate (same field, later) - • Duplicate (W2P & 2 source) - • Irrigate more than permit +(19%) • Irrigate less than permit -(52%) • ‘Padded’ acres -

  5. Ag Water Use – Adjusted EPD Acres

  6. Ag Water Use–Extension Y2K Survey

  7. Annual Irrigation Withdrawals

  8. All Water Use – Ext Irr, EPD oth

  9. All Water Use – Annualized

  10. Equivalent Surface Flow for Irrigation

  11. Summary

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