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HARDCOVER RlD O( ATIOWS AM WORKSHEBT <br />A <br />A. HARDCOVER 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 wi'.hin 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 SETBACK ZONES - PERCENTAGE ALLOWED <br />I. 0-751: in the area within 75' of the lakeshore, No Hardcover is allowed <br />(01). -- -- <br />II. 75-250': in the portion of the lot located between 75' and 250' from the <br />lake, 250 of that portion of the lot may be hardcovered. <br />III. 250-5001t in the portion of the lot located between 250' and 500, feet <br />from the lake 300 of that portion of the lot may be hardcovered. <br />IV. S00-1,000': in the potion of the lot located between 500' and 1,000' feet <br />from the lake 351 of that po tion 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. ROW TO DETERMINE LOT AREA WITHIN EACH SETBACK ZONE (To be used as denominator in all <br />hardcover percentage calculatioc:s) <br />I. 0-75' Zone <br />Area - 75' x Average width of lot in 0-75' zone <br />measure parallel to shoreline <br />75' x ft. Zi r(/ <br />(Avg width) Area of 0-75' zone <br />II. 75-250' Zone <br />Area - (175'or avg lot depth in zone) x(Avg width of lot in 75-250' zone) <br />`` measure parallel to shoreline <br />17 5 ' x _ � 1. f t . W "�,x 6("F. <br />s.f. (2) <br />(Avg width) Area of 75-250' zone <br />III. 250-500' Zone <br />Area - (250' or avq lot depth in zone) x(Avg width of lot in 250-500' zone`, <br />measure parallel to shoreline <br />250' x ft. - s.f. (3) <br />(Avg width) Area of 250-500' zone <br />IV. 500-1,000' Zene <br />Area or avg lot depth in zone) x/Avg width of lot in 500-IC00' zonel <br />(\ Measure parallel to shoreline <br />SOO, x ft. _ <br />s.f. i 41 <br />(Avg width) Area of 500-1,000' zone <br />