Agenda - 02-05-1990 (2) - Laserfiche WebLink

Browse Search

t ATTACHMENT T 39 RECOMMENDED IMPERVIOUS SURFACE RATIOS FOR UNVERSITY LAKE WATERSHED THE TOTAL THE TOTAL IMPERVIOUS IMPERVIOUS WHERE THE SURFACE MAY WHERE THE SURFACE MAY LOT SIZE IS: NOT EXCEED: LOT SIZE .IS: NOT EXCEED: 5.0 acres or above 6.0% 2.5 acres 11.0% 4.9 acres 6.2% 2.4 acres 11.2% 4.8 acres 6.4% 2.3 acres 11.4% 4.7 acres 6.6% 2.2 acres 11.6% 4.6 acres 6.8% 2.1 acres 11.8% 4.5 acres 7.0% 2.0 acres 12.0% 4.3 acres 7.2% 1.9 acres 12.2% 4.2 acres 7.4% 1.8 acres 12.4% 4.2 acres 7.6% 1.7 acres 12.6% 4.1 acres 7.8% 1.6 acres 12.8% 4.0 acres 8.0% 1.5 acres 13.0% 3.9 acres 8.2% 1.4 acres 13.2% 3.8 acres 8.4% 1.3 acres 13.4% 3.7 acres 8.6% 1.2 acres 13.6% 3.6 acres 8.8% 1.1 acres 13.8% 3.5 acres 9.0% 1.0 acres 14.0% 3.4 acres 9.2% 0.9 acres 14.2% 3.3 acres 9.4% 0.8 acres 14.4% 3:2 acres 9.6% 0.7 acres 14.6% 3.2 acres 9.8% 0.6 acres 14.8% 3.0 acres 10.0% 0.5 acres or less 15.0% 2.9 acres 10.2% 2.8 acres 10.4% 2.7 acres 10.6% 2.6 acres 10.8% An impervious surface is a surface composed of any material which impedes or prevents the natural infiltration of water into the soil. Such surfaces shall include any paved or unpaved surfaces comprised of asphalt, concrete, crushed stone, compacted soil or other similar material. These would include, but not be limited to, streets and driveways, sidewalks, patios, garages, dwellings, and similar structures which cover the land.