Groundwater Data to Inform the Clark Fork Plan

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John La Fave, Montan Bureau of Mines and Geology, provides a groundwater summary for 2012 and water outlook for 2013 at the Clark Fork River Basin Water Summary 2012 & Water Outlook 2013 on October 23, 2012.

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Groundwater Data to Inform the Clark Fork Plan

  1. 1. Groundwater Data To Inform the Clark Fork Plan John LaFave Ground Water Assessment Program MT Bureau of Mines and Geology “The science of hydrology would be relatively simple if water were unable to penetrate below the earth’s surface.”Clark Fork Task Force October 23, 2012
  2. 2. Montana Bureau of Mines and Geology a department of Montana Tech• Established in 1919 to provide reliable and unbiased earth science information• Non regulatory, applied research – Geologic Mapping – Earthquake Studies – Small Miners – Environmental Assessment – Ground Water• Web: http://www.mbmg.mtech.edu/
  3. 3. Montana Bureau of Mines and Geology a department of Montana Tech• Established in 1919 to provide reliable and unbiased earth science information• Non regulatory, applied research – Geologic Mapping – Earthquake Studies – Small Miners – Environmental Assessment – Ground Water• Web: http://www.mbmg.mtech.edu/
  4. 4. Montana Bureau of Mines and Geology a department of Montana Tech• Established in 1919 to provide reliable and unbiased earth science information• Non regulatory, applied research – Geologic Mapping – Earthquake Studies – Small Miners – Environmental Assessment – Ground Water• Web: http://www.mbmg.mtech.edu/
  5. 5. Montana Ground Water Assessment Program“…systematically assess and monitor the state’sground water and to disseminate the information…”85-2-902(2) MCA • Ground-Water Characterization – systematic data collection and interpretation. • Ground-Water Monitoring – long term records of water levels and quality. • Ground-Water Information Center – data dissemination.Montana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  6. 6. Ground Water Characterization 28 Areas Scheduled Field work Complete Field work Complete Field work Field work Complete Complete Field work Complete Field work Complete Field work starting Field work Field work Wrapping up CompleteMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  7. 7. Ground Water Characterization Main product -- the data More than: ~ 3,000 inventories ~ 900 full analysesMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  8. 8. Ground Water Characterization 24 maps, 5 reports Groundwater Quality Maps Reports Geologic Framework Maps Groundwater Flow MapsMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  9. 9. Ground Water Monitoring 215 wells in the State-Wide NetworkMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  10. 10. Ground Water Information Center mbmggwic.mtech.edu Products: Well Logs Water Quality Hydrographs Maps & Repts Project dataMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  11. 11. Ground Water Information CenterMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  12. 12. Montana Ground Water Investigation Program“…gather data, compile existing information, conduct fieldstudies, and prepare a detailed hydrogeologic assessmentreport …and a hydrogeologic model… ”85-2-525 (1) MCA • Investigates critical and specific groundwater questions • Results provide scientific basis for water-management – Stream depletion related to groundwater development – Impacts to aquifers: increasing demand; changing land use – Protection of senior water rights (groundwater and surface water) – Water quality impacts such as septic effluent – Cumulative effects of water development – Aquifer Storage and Recovery (ASR) in Montana – Any Other Subjects that may be identifiedMontana Bureau of Mines and Geology Montana Ground-Water Investigation Program
  13. 13. Ground Water Investigation Program Ongoing and proposed (unscheduled) projects Flathead Valley - Recharge/discharge relationships and long-term sustainability of the deep aquifer. Florence – Depletion rates and timing from groundwater development in Eightmile and Threemile drainages Florence – Eightmile Creek Stevensville-Conversion of surface To groundwater Hamilton- Conversion of Irrigated ag land to residentialMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program
  14. 14. Contact Information: Ground-Water Information Center: http://mbmggwic.mtech.edu/ Montana Bureau of Mines and Geology: http://www.mbmg.mtech.edu/ John LaFave 496-4306 jlafave@mtech.eduMontana Bureau of Mines and Geology Montana Ground-Water Assessment Program

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