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HARDCOVER REGULATIONS AND WORKSHEET <br />A.� PARDCOVER ORDINANCP. - 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 />ouch 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 iti 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--75': in the area within 75' of the lakeshore, No Hardcover is allowed <br />(00). - - <br />12. 75-2501t 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. 250-500't in the portion of the lot located between 250' anh 500' feet <br />from the lake 30► of that portion of the lot may be hardcovered. <br />IV. 500-1,000't in the portion of the lot located between 500' and 1,000' feet <br />from the lake 356 of that portion of the lot may be hardcovered. <br />OTE: These regulations apf ly even if you have a lot that does not abut the lake b=it is <br />within a lakeshore zoni 34strict. <br />C. HOW TO DETERMINE LCT AREA WITHIN EACH SETBACK ZONE (To bo used as denominator in all <br />hardcover percentage calculations) <br />1. 0-75' Zone <br />Area - 75' x /Average <br />width o G'E=-4V_ 0-75' zonel <br />l measure p llel to sholine l <br />75' x (a5 ft. <br />7 75 <br />(Avg width) <br />Area of 0-75, zorie <br />II. 75-250' Zone <br />Area a (1751or avg lot depth in zone) x(Avg width <br />of lot <br />in 75-250' zone\ <br />`` measura <br />parallel <br />to shoreline J <br />175' x 76? ft. <br />/3 (oSD s.f. (2) <br />(Avg width) <br />Area of 75--250' zone <br />III. 250-500' Zone <br />Area a (250' or avg lot depth in zone) x(Avg width of lot in 250-500' zone, <br />measure parallel to shoreline J <br />250' x _� ft. % s.f. (3) <br />(Avg ridth) Area of 250-500' zone <br />IV. 500-1,000' zone <br />Area - (500, or avq lot depth in zone) xIAvq width of lot in 500-1000, zonel <br />lmeasure parallel to shoreline J <br />500' x �) ft. t� (4) <br />1 Avg wide tl ) "ea 500--i . wonf, <br />