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ODNR Division of Water
Hydrogeology Column Heading  Data Collection Column Heading Safety and Planning  Column Heading Canals  Column Heading Education  Column Heading


Well Log Searches

Well Log Filing

Ground Water Technical Support & Mapping

Observation Well Network

Ground Water Investigations


Water Inventory

  • Observation Well Network
  • Monthly Water Report
  • Lake Erie Levels
  • Hydrologic Atlas

Water Withdrawal Registration

  • Atlas of Water Withdrawals
  • State Map of Water Withdrawals
  • Forms On-line

Well Log Filling


Floodplains

  • Model Floodplain Management Regulations
  • Flood Mitigation
  • Flood Insurance
  • Flood Maps
  • Map Modernization

Dam Safety

  • Annual Fees
  • Classifications of Dams
  • Construction Permits
  • Loan Program
  • Lowhead Dam Removal

Water Planning

  • Great Lakes- Water Resources Compact
  • Leasing of State-Owned Water Supplies

 


Canals

  • Original Plat Maps
  • Ownership Map
  • Recreation
  • History
  • Land Transfers
  • Water Sales & Leases


Educator Resources

  • Project WET Ohio
  • Water Education

Professional
Development

  • Floodplain Conference

Publications & Data

  • Fact Sheets
  • GIS Data
  • Maps
  • Watershed Maps
  • Stream Management Guides
  • Office Locations
  • Laws
  • Links
Website New Items
08/03/2009
8 New Potentimetric Maps Added
08/03/2009
Ashland Pollution Potential Map Added
03/06/2009
Great Lakes Advisory Board Launched
02/03/2009
Volunteer Precipitaion Network Launched
More New Items
Water General Questions  |  Website Comments/Questions
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