TWCA Annual Convention: Can/Should Texas Learn from Colorado? Jordan Furnans and Dave Colvin
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This document summarizes information presented about groundwater-surface water interactions and regulation methods in Colorado and Texas. It discusses a 2012 investigation by the TCEQ into missing water from the San Saba River in Texas that was concluded to be caused by shallow groundwater irrigation wells pumping surface water. It then provides an overview of Colorado's evolving water administration system and legislation recognizing the connection between groundwater and surface water. Finally, it briefly describes field methods for studying surface water-groundwater interactions using fluorescence fingerprinting and modeling groundwater pumping impacts to surface water.
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TWCA Annual Convention: Can/Should Texas Learn from Colorado? Jordan Furnans and Dave Colvin
- 1. Can/Should Texas learn from Colorado? A primer on groundwater-surface water interactions and regulation methods TWCA Spring Meeting March 4, 2016 Jordan Furnans, PhD, PE and Dave Colvin, PG
- 2. HB 1232 (2015) – Recognition of SW-GW Linkage?
- 3. San Saba River, Menard Co. October 2012 – TCEQ Receives “Missing Water” Complaint: “Numerous shallow groundwater wells being utilized to pump surface water in the form of underflow from the San Saba River” TCEQ Investigates possible explanations for water loss between US HW 83 and 5-Mile Bridge
- 4. TCEQ Investigation: “the authorized diversions during the time have no significant impact and thus are not responsible for such dramatic losses in the river in the segment between US Highway 83 to 5-mile bridge.” “monthly average ETo losses do not account for the periodic dramatic losses in the San Saba River between US Highway 83 to 5-mile bridge.” “With the exception of the commonly known shallow alluvium irrigation wells, all other factors which may be responsible for the dramatic losses between US Highway 83 and 5-mile bridge have been considered and would not be likely to account for the remaining losses. Utilizing the best available scientific data, it is therefore concluded that the shallow alluvium irrigation wells are the most likely factor to account for the remaining losses of water.”
- 5. TCEQ Enforcement Action Suggested Resolution: Amend surface water permit to allow diversion at property location
- 7. Colorado’s Water Imbalance Source: South Platte Basin Implementation Plan; http://www.southplattebasin.com//
- 8. Colorado’s Water Imbalance Source: South Platte Basin Implementation Plan; http://www.southplattebasin.com// By 2050: • 6 Million people • ~200,000 Ag acres transferred to municipal water use
- 9. SOUTH PLATTE RIVER BASIN WATER AVAILABILITY
- 10. South Platte Water Resources
- 11. South Platte Water Resources
- 12. South Platte Water Resources
- 13. South Platte Water Resources
- 15. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION Supreme Court decision: single use/return flows 1913
- 16. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Supreme Court decision: single use/return flows 1913 Colorado Groundwater Law 1957 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 Groundwater Management Act 1965 Water Right Determination and Administration Act 1969 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION
- 17. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Supreme Court decision: single use/return flows 1913 Colorado Groundwater Law 1957 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 Groundwater Management Act 1965 Water Right Determination and Administration Act 1969 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION Justice Groves, “as administration of water approaches its second century, the curtain is opening upon the new drama of maximum utilization and how constitutionally that doctrine can be integrated into the law of vested rights.” Justice Groves, “as administration of water approaches its second century, the curtain is opening upon the new drama of maximum utilization and how constitutionally that doctrine can be integrated into the law of vested rights.”
- 18. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Supreme Court decision: single use/return flows 1913 Colorado Groundwater Law 1957 Senate commissions 2 year surface water/groundwater study 1967 Well Users form GASP and GMS 1972 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 Groundwater Management Act 1965 Water Right Determination and Administration Act 1969 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION
- 19. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Supreme Court decision: single use/return flows 1913 Colorado Groundwater Law 1957 Senate commissions 2 year surface water/groundwater study 1967 Well Users form GASP and GMS 1972 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 Groundwater Management Act 1965 Water Right Determination and Administration Act 1969 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION
- 20. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Supreme Court decision: single use/return flows 1913 Colorado Groundwater Law 1957 Senate commissions 2 year surface water/groundwater study 1967 Well Users form GASP and GMS 1972 SWSP Legislation 2002 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 Groundwater Management Act 1965 Water Right Determination and Administration Act 1969 Empire Lodge v. Moyer 2001 Simpson v. Bijou Irrigation Co. 2003 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION
- 23. 1860 1877 1894 1911 1928 1945 1962 1979 1996 First Groundwater Well 1889 Supreme Court decision: single use/return flows 1913 Colorado Groundwater Law 1957 Senate commissions 2 year surface water/groundwater study 1967 Well Users form GASP and GMS 1972 SWSP Legislation 2002 Hundreds of wells curtailed 2005 HB-1278 Commissio ns alluvial aquifer study 2012 Irrigation Development Starts 1860 Water management increases South Platte flows 1896 Electrical pumps increase numbers of wells 1930 Groundwater Management Act 1965 Water Right Determination and Administration Act 1969 Empire Lodge v. Moyer 2001 Simpson v. Bijou Irrigation Co. 2003 High groundwater damaging property 2008 1950 - 1960Drought 1980 - 2000Wet Period 2002 - 2007Drought of Record SOUTH PLATTE BASIN WATER ADMINISTRATION
- 24. FIELD METHODS FOR SURFACE WATER GROUNDWATER INTERACTION
- 25. TRWD – Trinity River Study
- 26. (RBF Test Well) TRWD – Trinity River Study
- 27. (RBF Test Well) TRWD – Trinity River Study
- 28. River Water Capture – Fluorescence Fingerprint Analyses Groundwater with lower percentage of river water Groundwater with higher percentage of river water TRWD – Trinity River Study
- 29. TRWD – Trinity River Study
- 30. MODELING GROUNDWATER PUMPING IMPACTS TO SURFACE WATER
- 31. South Platte River – Depletion Analysis Methodology Comparison