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HARDC:OVER REGULATIONS AND WORXSHERT <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 urbanised 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': in the area within 75' of the lakeshors, No Hardcover is allowed <br />(01). - <br />II. 7S-2SO's 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'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. S00-1,000't in the Dortion 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 DETERMINE 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) <br />measure parallel to shoreline J <br />75' x AG ft. <br />(Avg width) Area of 0-75' zone <br />"4 !I. 75-250' Zone <br />Area a (175'or avg lot depth in zone) xrAvg width of lot in 75-250' zone) <br />`` measure parallel to shoreline J <br />i <br />! 175' x 117 ft. 1-7 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' zone) <br />measure parallel to shoreline J <br />250' x , /// ft. ---'-7 73'0 s.f. (3) <br />(Avg width) Area of 250-500' zone <br />IV, 500:1� 000' Lone <br />Area - (500' or avg lot depth in zone) xrAvg width of lot in 500-1000' zone\ <br />lmeasure parallel to shoreline J <br />500' x S ft. 5175 e.f. (4) <br />(Avg width) Area of 500-1,000, zone <br />) <br />r <br />