1. Groundwater Management and Groundwater Districts in Texas Rima Petrossian, Texas Water Development Board Public Hearing on Hays Trinity Groundwater Conservation District Management Plan Wimberley, Texas June 9, 2005 Rima Petrossian, Texas Water Development Board Public Hearing on Hays Trinity Groundwater Conservation District Management Plan Wimberley, Texas June 9, 2005

3. TWDB 2000 Water Use Survey 85 % of Groundwater Produced in Texas From Counties With a Groundwater Conservation District 57 % of Total Land Area of Texas is in a Groundwater Conservation District 85 % of Groundwater Produced in Texas From Counties With a Groundwater Conservation District 57 % of Total Land Area of Texas is in a Groundwater Conservation District

5. Water Administration:The Rules Chapter 36.0015 says: “Groundwater Conservation Districts created as provided by this chapter are the state’s preferred method of groundwater management.”

6. Regional Water Planning Areas

7. GWMPs Must Be Certified As Administratively Complete Plans Contain All Required Elements Address Water Supply Needs in A Manner “Not in Conflict” With Regional Water Plans (reviews by RWPG and TWDB) Plans Contain All Required Elements Address Water Supply Needs in A Manner “Not in Conflict” With Regional Water Plans (reviews by RWPG and TWDB)

8. GCD Develops MP (coordinates development with SW Entity) Planning group reviews MP for conflicts with RWP (Must consider MP in development of new RWP) TWDB Staff Assists MP Development and Executive Administrator Certifies MP as Administratively Complete SAO Audits District Progress in Achieving District Goals (after one year eligible, possibly within 5 years) TCEQ Reviews Audit (regulatory oversight as needed) GCD Develops MP (coordinates development with SW Entity) Planning group reviews MP for conflicts with RWP (Must consider MP in development of new RWP) TWDB Staff Assists MP Development and Executive Administrator Certifies MP as Administratively Complete SAO Audits District Progress in Achieving District Goals (after one year eligible, possibly within 5 years) TCEQ Reviews Audit (regulatory oversight as needed) GCD SW TWDB TCEQ SAO RWPG

9. Required Content in GWMP Estimates of GW Availability (Total Useable Amount of Groundwater), Historical Groundwater Use and Annual Recharge Discussion of How Recharge Could be Increased Water Supply and Demand Projections Details on District Groundwater Management Actions, Procedures, Performance and Avoidance Necessary to Effectuate Plan Including Proposed District Rules Estimates of GW Availability (Total Useable Amount of Groundwater), Historical Groundwater Use and Annual Recharge Discussion of How Recharge Could be Increased Water Supply and Demand Projections Details on District Groundwater Management Actions, Procedures, Performance and Avoidance Necessary to Effectuate Plan Including Proposed District Rules

10. Required Content in GWMP Management Goals (Seven Categories) Methodology For Tracking Progress (Annual Assessment of Progress Achieving Goals) Management Objectives (Time Based and Quantifiable Actions or Outcomes) Performance Standards (Measure Efficiency and Effectiveness) Management Goals (Seven Categories) Methodology For Tracking Progress (Annual Assessment of Progress Achieving Goals) Management Objectives (Time Based and Quantifiable Actions or Outcomes) Performance Standards (Measure Efficiency and Effectiveness)

11. Required Management Goals (As Applicable to the District) Providing the Most Efficient Use of Groundwater Controlling and Preventing Waste of Groundwater Controlling and Preventing Subsidence Conjunctive Surface Water Management Issues Natural Resource Issues that Impact the Use and Availability of Groundwater and Which are Impacted by the Use of Groundwater Addressing Drought Conditions Addressing Conservation Providing the Most Efficient Use of Groundwater Controlling and Preventing Waste of Groundwater Controlling and Preventing Subsidence Conjunctive Surface Water Management Issues Natural Resource Issues that Impact the Use and Availability of Groundwater and Which are Impacted by the Use of Groundwater Addressing Drought Conditions Addressing Conservation

12. What GCDs Can Do Determine The Best Management Approach For The Aquifer(s) Require Permitting or Registration of Wells Promulgate Rules For The Production, Spacing and Construction of Wells Study the Aquifer(s) and Monitor Changing Conditions Determine The Best Management Approach For The Aquifer(s) Require Permitting or Registration of Wells Promulgate Rules For The Production, Spacing and Construction of Wells Study the Aquifer(s) and Monitor Changing Conditions

13. Adopt Policy Without Public Process Completely Prohibit Export of Groundwater Levy Taxes Without Electoral Approval Apply Excessive Fees Adopt Policy Without Public Process Completely Prohibit Export of Groundwater Levy Taxes Without Electoral Approval Apply Excessive Fees What GCDs Can’t Do

14. Groundwater Management Areas

15. Questions?