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i � HARDCOVER REGpLATI0I�1S AND �TORICSHEET <br /> A. EiARDCOVER ORDINANCE -- In 1975, the Orono City Council adopted an ordinance limiting <br /> the percentage of lot area that can be covered with impervious surfaces ("hardcover") <br /> such as roofs, driveways, sidewalks, etc. on properties located within 1,000 feet of <br /> a lake. Studies have shown that sediments, oils, and debris carried into the lake <br /> from highly urbanized areas have a detrimental impact on the quality of water in the <br /> lake. The intent of Orono's ordinance is to ensure that rainfall run-off will be <br /> cleansed by filtering through grassed or vegetated yard areas before entering the <br /> lake. <br /> B. HARDCOVER SETBACR ZONES -- PERCENTAGE ALLOWED <br /> I. 0-75': in the area within 75' of the lakeshore, No Hardcover is allowed <br /> (08). -- -- <br /> II. 75--250': in the portion of the lot located between 75' and 250' from the <br /> lake, 25� of that portion of the lot may be hardcovered. <br /> III. 250--500': in the portion of the lot located between 250' and 500' feet <br /> from the lake 30� of that portion of the lot may be hardcovered. <br /> IV. 500-1,000': in the portion of the lot located between 500' and 1,000' feet <br /> from the lake 358 of that portion of the lot may be hardcovered. <br /> NOTE: These regulations apply even if you have a lot that does not abut the lake but is <br /> within a lakeshore zoning district. <br /> C. HOW TO DETERMINE LOT AREA WITHIN EACH SETBACR ZONE (To be used as denominator in all <br /> hardcover percentage calculations) <br /> I. 0--75' Zone <br /> Area = 75' x �Average width of lot in 0-75' zonel <br /> measure parallel to shoreline � <br /> 75' x ft. = s.f. (1) <br /> (Avg width) Area of 0-75' zone <br /> II. 75-250' Zone <br /> Area = (175'or avg lot depth in zone) x rAvg width of lot in 75-250' zone\ <br /> � measure parallel to shoreline � <br /> 175' x ft. � s.f. (2) , <br /> (Avg width) Area of' 75-250' zone <br /> III. 250-500' Zone � <br /> Area = (250' or avg lot depth in zone) x(Avg width of lot in 250-500' zonel <br /> ` measure parallel to shoreline � <br /> 250' x ft. = s.f. (3) <br /> (Avq width) Area of 250-500' zone <br /> ' 1 � n r�. <br /> IV. � � ��1 �� �'i�Zone <br /> Area = (500' or avg lot depth in zone) x/Avg width of lot in 500--1000' zone\ <br /> ` measure parallel to shoreline � <br /> I ��1, -� I /� � i . <br /> 500' x� '� L � � ft. a l ,�, '>� .i r� s.f. (4) <br /> (Avg width) Area of 500--1,000' zone <br />