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(A) Where a subdivision contains a watercourse, drainageway, channel, stream, creek, pond, embankment, floodplain or wetland, these features and any required buffer area (as described in the County Water Resource Ordinances for Unincorporated Will County) must be placed in an appropriate easement or deed restriction to preserve the stormwater management function of the drainage feature and protect the natural resource value of the drainage feature.
(B) The width of the drainage easement will be established by the Chief Subdivision Engineer based on the area of land drained by the watercourse and to allow access for construction and maintenance equipment.
(C) The 100-year flow path must be placed in an easement through the subdivision large enough to accommodate the 100-year flow and any required buffer area.
(D) Drainage easements with a minimum width of ten feet must be placed at the rear of all lots.
(E) All constructed stormwater management facilities must be placed in drainage easements. A minimum 15-foot wide access easement must be provided for maintenance. The width must be measured from the closest public right-of-way.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009)