Mission in to protect human health and the environment through responsible regulation. Site provides publications, calendar, and news releases.

Division of water fact sheet supplied by the Ohio Department of Natural Resources.

State of Ohio list of approved testing laboratories.

A non-profit professional association interested in problems within buildings arising from pollutants in and immediately around buildings.

Collects data on surface and ground water, produces maps, regulates construction of dams, operates canal systems, and administers floodplain management program.

Works to restore and preserve water quality, environmental health, and recreation in the watershed. Calendar of events and list of projects.

An introduction to the natural history of the frogs and toads of the state.

List of summits with elevations above 1000 feet and locations.

Provides a list of materials that are recycled, reclaimed or exchanged. Also includes links to lists of companies which recycle these materials

Provides information on county districts, watershed programs, education and calendar.

Provides links to districts, organizations and projects in the state.

Purpose is to formalize a network of existing Ohio technical assistance organizations and agencies so that they may better provide environmental assistance to small- and medium-sized manufactures.

Ohio State University provides information about trees in general, historic trees, identification key, and descriptions and images of common species in the state.

Provides a way to search for and discover useful information about Lake Erie, its coastal lands and watersheds, and the area's physical cultural, recreational and economic resources.

Wildlife maps of Ohio, divided by regions.

Promotes the low-cost distribution of US Government civilian satellite data for public use.

A ring of Ohio web sites on astronomy, birding, butterflies, gardening, herpetology, mycology, spiders, and wildflowers.

A checklist of Ohio bird species.

A program designed to enhance wildlife viewing opportunities for the public across the state. Provides a listing of 80 sites throughout Ohio broken down into district divisions.