Storm Water Impervious Areas Are you curious about the impervious area calculation on the mock storm water bill you received for your non-residential property? Click here to look up your property and view its impervious area as determined through the use of aerial photography. Note: The impervious area viewer will open in a separate window. Below are directions on how to search for your property in the viewer. To search by parcel identification number (PIDN), click the find button in the left hand column of the toolbar. An input box will appear in the lower left portion of the screen. Type the PIDN in the box. Be sure to include dashes and dots. The search is case-sensitive. Once you have entered the PIDN, click on “Find String” to the right of the input box. The located parcel will be displayed in a grid at the bottom of the page. Click the hyperlinked number to the left of a PIDN to go to its location on the map. To zoom into the area, select the magnifying glass icon with a ' + ' sign on it in the left hand column of the toolbar, and drag a box around the pinpointed location. To zoom out, select the magnifying glass icon with a ' - ' sign on it , and click and drag a box on the map. If you wish to change your view, you may select the hand icon in the right hand column of the toolbar and click and drag on the map to pan across the area.

To search by address, click the locate address button in the right hand column of the toolbar. Input boxes will appear for Street, Zone and Cross Street. Type the street number and street name in the Street box. Type the zip code in the Zone box. It is not necessary to enter information into the Cross Street box. Once you have entered the street number, name, and zip code, click on “Locate” above the input boxes.

The located address will be displayed in a grid at the bottom of the page. Click the hyperlinked number to the left of an address to go to its location on the map. To zoom into the area, select the magnifying glass icon with a '+' sign on it in the left hand column of the toolbar, and drag a small box around the pinpointed location. To zoom out, select the magnifying glass icon with a ' - ' sign on it and click and drag a box on the map. If you wish to change your view, you may select the hand icon in the right hand column of the toolbar and click and drag on the map to pan across the area.