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eARDCOR Rin TIOES AM MORRSBEET <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 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 SETBACK ZONES - PERCENTAGE ALLOWED <br />I. 0-75's in the area within 75' of the lakeshore, Na.'Utdcover is allowed <br />II. 75-25001 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-SOO's 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. 500-1,000't in the portion of the lot located between 500' and 1,000' feet <br />from the lake 350 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 DETERNINR LOT AREA WITHIN EACH SETBACK 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' zone)J <br />measure parallel to shoreline <br />(Avg width) Area of 0-75' zone <br />I1. 75-250' Zone <br />Area - (1751or avg lot depth in zone) x(Avg width of lot in 75-250' zone) <br />`` measure parallel to shoreline J <br />175' x SC) ft. s.f. (2) <br />(Avg width) Area of 75-2SO' zone <br />III. 250-500' Zone <br />Area - (250' or avg lot depth in zone) x�Avg width of lot in 250-500' zone) <br />\ / measure parallel to shoreline I <br />250, x ft. s.f. (3) <br />(Avg width) Area of 250-500' zone <br />IV. 500-1,0_00' Zone <br />Area - (500' or avg lot depth in zone) x/Avg width of lot in 500-1000, zone\ <br />measure parallel to shoreline J <br />500' x ft. s.f. (4) <br />(Avg width) Area of 500-1,000' zone <br />