Description: Water bodies are polygon features (natural and constructed) that describe various realizations of surface water at a medium scale of 1:10K in Southern Ontario, 1:20K in Northern Ontario and 1:50K in the Far North. Additional Documentation OHN - User Guide (Word)OHN - Data Capture Specification for Hydrographic Features (Word)OHN - Waterbody - Data Description (PDF)OHN- Waterbody - Documentation (Word)Data Maintenance - Status Map (Word)Ontario Hydro Network - List of Partners (Word)StatusOn going: Data is continually being updated Maintenance and Update Frequency As needed: Data is updated as deemed necessary Contact Ontario Ministry of Natural Resources and Forestry - Provincial Mapping Unit, pmu@ontario.ca