ODNR Division of Water Maps

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Publications/Maps/Data

Publications

Fact Sheets (all topics)

Newsletters & Reports

Stream Management Guide Fact Sheets

Nonpoint Source Pollution Investigations

Maps

ALL MAPS

Potentiometric Surface Maps

Statewide Aquifer Maps

Pollution Potential Maps

Ground Water Resource Maps

Data

Well Log Filing

Well Logs Searches

GIS Data

Observation Well Data

On-line Maps by Topic

Canal Systems Maps

Historic Canal System Current Status - Year 2000 Map
This map depicts the current ownership/land use of
the original canal lands.
Original Canal Survey Plat Maps Main Page
- Select M&E Plats Alphabetically by County
- Select O&E Plats Alphabetically by County
- Select Plats From a Clickable State Map
General State Map of Canal System

Dam Safety Engineering Maps

Probable Maximum Precipitation

Floodplain Management Maps

Location of the Division of Water Maps

Ground Water Mapping

Watershed and Basin Divide Maps

Water Inventory, Water Cycle
and Precipitation Maps

Ground Water Level Observation Wells Location and ID Numbers
Precipitation in Ohio 50 yr average
Probable Maximum Precipitation
Hydrologic Atlas containing:
- 50 yr average maps of precip,
- stream flow
- temp
- water loss
- snow fall and evaporation.

Water Planning Maps

Community Water Supply Planning Studies

General questions - Website comments/questions - DNR web policy statements