To begin, click on the map or zoom in by geography. Additional options (e.g., Zoom-Out, Recenter Map, Identify) are available from the navigation panel (lower right).  Map Features  Interstates Counties States Zoom-In By:       2X 4X 8X 16X       Radius 1 mi 2 mi 5 mi 10 mi Locator Map Zoom-Out By:       2X 4X 8X 16X Recenter Map Identify Show Location 6285.3 mi across.  Tips: Click on the map or choose another option. Zoom in by geography: You can zoom-in by specifying a city, county, state, ZIP code, watershed, or EPA region. To select a city, county, state or watershed, click on the toggle button (circle) next to the selection, then select the appropriate state from the scroll list. A scroll list of the cities, counties, or watersheds for the chosen state will be shown on the next screen. Click on the "Enter ZIP code:" text box to enter your ZIP code; or select an EPA region from the "Select EPA Region" scroll list. You can also zoom in by clicking on the map. Select State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virgin Islands Virginia Washington West Virginia Wisconsin Wyoming Select County:     (Choose state first) Select City:     (Choose state first) Select Watershed:     Subregion     Catalog unit Enter ZIP Code: EPA Region: Select EPA Region Region 1 Region 2 Region 3 Region 4 Region 5 Region 6 Region 7 Region 8 Region 9 Region 10