Transcription of STORMWATER WET POND AND WETLAND
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STORMWATER WET POND AND WETLAND
STORMWATER WET POND AND WETLAND MANAGEMENT GUIDEBOOK Based on material originally produced by: Center for Watershed Protection 8390 Main Street, Second Floor Ellicott City, MD 21043 With assistance from: Tetra Tech, Inc. 10306 Eaton Place Suite 340 Fairfax, VA 22030 Under: EPA Contract 68-C-99-253 Revised by EPA February 2009 Table of Contents Table of Contents ..ii 1 2 Section 1: Wet Pond and WETLAND Challenges and Opportunities .. 5 5 Water Quality Impacts .. 5 Habitat 5 Health and Safety Issues .. 5 Aesthetics .. 6 Maintenance Problems .. 7 17 Section 2: Inspection and Maintenance of Existing Ponds and Wetlands .. 19 19 Inspectors .. 19 Inspection 20 Inspection Checklists.
Overbank Flood Control, (i.e., Peak Discharge Protection Volume (Qp) – Storage volume needed to control the magnitude of flows associated with larger, out of bank flooding events (e.g., 10-year return frequency storm events). Permanent Pool – Open area of water impounded by a dam, embankment or berm, designed to retain water at all times.
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