Tuesday, September 23, 2025

What hydrogeologic studies exist for Wood Lake and Medicine River valley?



There are several hydrogeologic and groundwater studies relevant to the Medicine River valley, but no targeted, published hydrogeological study appears to exist specifically for Wood Lake itself. Most information relates to regional groundwater assessments for the valley, mapping of aquifer-hosting sediments, and broader hydrostratigraphic models covering the Red Deer River, Medicine River, and surrounding basins.[1][2][3][4][5]

Regional Medicine River Valley Hydrogeology

  • The geology and hydrogeology of the Medicine River subwatershed, including dominant aquifers in the Paskapoo Formation and surficial sediments, are described in summary watershed reports and in Alberta Geological Survey (AGS) regional datasets.[2][1]
  • The AGS conducts mapping and hydrostratigraphic modeling across the Red Deer River basin, which includes cross-sections of the Medicine River valley, focusing on aquifer distribution and groundwater-surface water interactions.[2]
  • Regional groundwater reports commissioned by Ponoka County and other municipalities adjacent to the Medicine River valley include aquifer maps, water well yields, and chemistry summaries for the area, but are not lake-specific.[5]

Groundwater and Surface Water Interactions

  • Broad hydrogeological models for adjacent valleys (such as the Sylvan Lake sub-basin) detail regional groundwater flow patterns and recharge/discharge relationships in similar geological environments to the Medicine River valley.[3]
  • A numerical groundwater flow model also incorporates findings from well logs and core data across the region, which supports understanding of aquifer linkages with surface features.[3]
  • Alberta's Open Government program and Alberta Geological Survey offer mapping and datasets on aquifer vulnerability, groundwater quality, and availability which include the valley but do not focus in detail on Wood Lake.[4][6][7]

Data Gaps and Ongoing Monitoring

  • Alberta Environment and Parks, along with the Alberta Geological Survey, maintain groundwater observation well networks and have active regional monitoring, but there are acknowledged data gaps for smaller surface water features like Wood Lake.[8]
  • Ongoing advancements in remote sensing and isotopic fingerprinting are providing improved insights into groundwater patterns, though their application to specific lakes within the Medicine River valley remains limited.[8]

In summary, while multiple hydrogeologic studies address the regional Medicine River valley, none are focused exclusively on Wood Lake. All regional studies support an understanding of groundwater in the valley's context, and the hydrogeology is fairly well-characterized through these broad-based reports, government datasets, and geological modeling efforts.[1][5][2][8][3]

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  • https://rdrwa.ca/wp-content/uploads/2020/10/rdr_sowr_4_05_medicine1.pdf   
  • https://static.ags.aer.ca/files/document/OFR/OFR_2014_10.pdf    
  • https://ags.aer.ca/document/REP/REP_96.pdf    
  • https://ags.aer.ca/our-science/water-resources/groundwater-availability  
  • https://www.ponokacounty.com/uploads/2/6/9/1/26912724/regional_groundwater_report.pdf   
  • https://ags.aer.ca/document/MAP/MAP_632.pdf 
  • https://open.alberta.ca/dataset/?tags=ALBERTA&tags=GROUNDWATER 
  • https://waterportal.ca/groundwater-monitoring-and-mapping-2/   
  • https://open.alberta.ca/dataset/ce79f272-b691-4507-bb5c-73ea22576e4d/resource/60a9777b-9c4e-4afc-ae41-6aa94ba0d0b9/download/hydrogeology-baseline.pdf 
  • https://mightypeacewatershedalliance.org/wp-content/uploads/2023/03/MPWA_Regional_Hydrological_Assessment.pdf 
  • https://open.alberta.ca/dataset/27848883-588d-4251-be79-1d68b6ec8793/resource/9d192c5a-303f-4a9b-9056-bd9c23a01739/download/chemicalisotopicgroundwater-part1-may2009.pdf 
  • https://open.alberta.ca/dataset/4871f71a-c541-47f5-9d79-58ef4a80851a/resource/daab97e3-d534-424e-ba89-6025f2a7b454/download/v2sec6.pdf 
  • https://www1.agric.gov.ab.ca/file/ssrb_main_report.pdf 
  • https://open.alberta.ca/dataset/68288d1a-45ab-4849-ae74-5dd2f025b526/resource/5b558626-bd25-40ca-864d-94a9a5bfecb0/download/os-ts-water-15-groundwater.pdf 
  • https://seawa.ca/assets/media/documents/SEAWA-Watershed-Report-2009-1-Geography.pdf 
  • https://www.alberta.ca/system/files/tec-sr1-groundwater-monitoring-plan.pdf 
  • https://opus.uleth.ca/server/api/core/bitstreams/f46dad3a-1ce4-4882-b261-851b12be0700/content 
  • https://www2.gov.bc.ca/assets/gov/environment/air-land-water/water/waterquality/monitoring-water-quality/thompson-okanagan-wq-docs/wq_to-ok_kalamalka_wood_study.pdf 
  • https://www.rockyview.ca/Portals/0/Files/Agriculture/RVC-Groundwater-Study.pdf 
  • https://ags.aer.ca/document/ESR/ESR_1975_02.pdf 

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