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r _ , ^ <br /> � O� <br /> O O <br /> ��,�� �I'�CY Of �RONO <br /> ?-'fr"Y'� <br /> � <br /> ,�,,:. <br /> �j��. - ' ? 'Jy Mtmidpat O�ces <br /> � !1�,�`�; ��� =� �v Past Office Bax 66 <br /> �`,C� �,�',��i,`jj-.�t�� G"~ c��s8y,r��ss�Z3-oo� <br /> lq� �%��1��� �� <br /> kES�I� <br /> HARDCOVER ORDINA��10E - In 197�, the Orono City Council adopted an ordinance limitina <br /> . the percenta�e of lot area that can be covered with impervious surface ("hardcover") such as <br /> roofs, driveways, sidewalks, etc. on properties located within 1,000 feet of a lake. Studies have <br /> shown that sediments, oils, and debris carried into the lake from hi�hly urbanized areas have <br /> a detrimental impact on the qualiry of water in the lake. The intent of Orono's ordinance is to <br /> ensure that rainfall run-off will be cleansed by filtering through arassed or vegetated yard areas <br /> before entering the lake. <br /> Hardcover Zones - Allowed Percentages: <br /> 0-7� 0`�o <br /> 75-250' 25 0 <br /> 250-500' �0�0 <br /> 500-1000' �5�� <br /> Hardcover includes: <br /> - Roofs <br /> - Sidewalks <br /> - Paved or aravel driveways <br /> - Pa�ios & decks (includes slatted decks) <br /> - Tops of retainui� walls & rock walls <br /> - Decorative landscape areas underlain by plastic sheeting or fabric <br /> - Any other surface that does not allow direct absorption of rainfall into <br /> the �round <br /> L\STRUCTIOi�'S FOR COl1PLETLtiG HARDCOVER C�,I.CULATIO':\T WORKSHEET <br /> 1. Circle which setback zone (0-75', 7�-2�0', etc.) the calculation is for. <br /> 2. For each item of hardcover within that zone, enter the lenath and width, and multiply to <br /> Qet square footaae (s.f.). <br /> 3. Add up all the square footaQes to get total square footage of hardcover. <br /> 4. Divide by the total area of property within the zone and multiply by 100 to �et <br /> percenta;e of hardcover in the zone. <br /> 5. If chanQes in hardcover are proposed, Q°Qseat rdthan those allowed r ontact City staff <br /> wor k s hee t. I f e i t h e r r e s u l t s i n p e r c e n t a�e s �r <br /> before proceedin� with your project planninQ! <br /> 'IEI,EpFIONE-4�3�1'357�FAX-473-0.510 <br />