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f <br /> O � , <br /> � � <br /> O ..� O <br /> ��.��, �I7C'I' of �RONO <br /> F�,�,��'�? �► T.tuniapal of�es <br /> � �11,��"�r'`�.1��"=� cS Post QPBce Bax 66 <br /> �'C� �'�1{�j�11��� �J'�' Crystal Bay,bfmnesota 5532300�66 <br /> � ,I ,�i`�1�i i '� <br /> `�kESI3�g <br /> HARDCOVER ORDINAI�TCE- In 197�, t�e Orono City Council adopted an ordinance limitinQ <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 hiahly urbanized areas have <br /> a detrimental impact cn tt'�e quuii;' of water in the lake. The intent of Orono's ordinance is to <br /> ensure that rainfall run-off will be cleansed by iiltering throu�h �rassed or vegetated yard areas <br /> before entering [he lake. <br /> Hardcover Zones - Allowed Percentages: <br /> 0-75 0% <br /> 75-250' 25�'o <br /> 250-500' �OG� <br /> 500-1000' 3 5 90 <br /> Hardcover includes: <br /> - Roofs <br /> - S idewalks <br /> - Paved or �ravel driveways <br /> - Patios & dzcks (includes slatted decksj <br /> - Tops of retainin� 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�STRUCTIOti'S FOR CO�iPLETL\G HARDCOVER CAI.CT�Z.ATIOti' WORKSHEET <br /> 1. Circle which setback zone (0-75°, 7�-2�u', ece.) :h:, calculaticn i� fer, <br /> 2. For each item of hardcover within that zone, encer the lenath and width, and multiply to <br /> Qet square footaQe (s.f.). <br /> 3. Add up all the square footaaes to Qe� total square foota�e 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 chan�es in hardcover are proposed, �Y°areat rdthan those allowed r ontact C ty s�� <br /> wor ks 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 � <br /> before proceeding with your project plannina! � � <br /> TEI,F,pHONE-4�3�/357�FAX-4T3A510 <br />