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Finding of No Significant Impact to all Interested Citizens, Organizations and Government Agencies - Columbus 5th Avenue Dam Removal and River Restoration

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Title: Finding of No Significant Impact to all Interested Citizens, Organizations and Government Agencies - Columbus 5th Avenue Dam Removal and River Restoration
Creator: Ohio Environmental Protection Agency
Date Created and/or Issued: 2011 May 31
Contributing Institution: UC Riverside, Library, Water Resources Collections and Archives
Collection: Clearinghouse for Dam Removal Information (CDRI)
Rights Information: Copyrighted
Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user.
Description: Scope/Content: Abstract: City of Columbus in Franklin county has requested $4,000,000 from the Ohio Water Resource Restoration Sponsor Program (WRRSP) to remove the 5th Avenue low-head dam on the Lower Olentangy River and restore the river channel and streambanks to free-flowing conditions similar to those upstream and downstream (Figure 1). The city-owned dam impounds a pool of water approximately 9,000 feet long that prevents the river from achieving its "Warmwater Habitat" (WWH) aquatic life use designation. The project will re-create a narrower channel with riffles, pools, and habitat structures and vegetated areas along the banks. The project has been developed over many years and designed with the U.S. Army Corps of Engineers (COE) funds and Clean Water Act (CWA) Section 319 funds. Construction and restoration will be financed with $1,188,000 of in-kind contribution from Columbus as its Supplemental Environmental Project (SEP) in lieu of paying a fine for a previously-incurred environmental penalty; a $625,000 Section 319 grant; and approximately $3,138,000 available through the WRRSP based on Columbus's Water Pollution Control Loan Fund (WPCLF) sponsoring the loan (the $90,000,000 "OSIS Augmentation and Relief Sewer (OARS) Phase 2" project; additional information on the sponsoring project is available from the person named at the end of this document). The proposed dam-removal project involves no direct cost to Columbus residents and with planned mitigation and environmental protections, will have a beneficial effect on water quality, habitat and biology of the Lower Olentangy River.
Scope/Content: Height: 8 feet. Length: 460 feet.
Scope/Content: Date constructed: 1935.
Type: text
Identifier: ark:/86086/n2hh6jq3
1387
Subject: Alternative analysis (e.g., feasibility studies, EIRs)
Dams
Dam retirement
Place: Lower Olentangy River, OH
5th Avenue Dam

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