Case study:Tahlequah Felts Park- Illlinois River Restoration Project

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Location: 35° 54' 6.90" N, 94° 58' 17.88" W

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Project overview

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Status	Complete
Project web site	http://lid.okstate.edu/illinois-river-restoration-project-information
Themes	Environmental flows and water resources, Habitat and biodiversity, Hydromorphology, Water quality
Country	USA
Main contact forename	Jason
Main contact surname	Vogel
Main contact user ID	User:Oklahoma Cooperative Extension Service
Contact organisation
Contact organisation web site	http://lid.okstate.edu
Partner organisations
Parent multi-site project	Case_study:Tahlequah History Trail - Illinois River Restoration Project
This is a parent project encompassing the following projects	No

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Project summary

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This site is a 453 foot reach of perennial stream located adjacent to Felts Park. This park also receives a lot of local traffic and safety was an issue due to significant erosion and undercutting of the bank abutting the park. Flow in the channel was shallow and habitat virtually nonexistent. To alleviate these problems, the channel alignment was moved away from the bank of the outerbend and deepened. Two log j-hooks followed by brush toes were constructed for grade control and bank protection. Bank slopes were regraded and floodplain benches were added to alleviate the pressure on the banks during high flow events. A double step cross-vane was constructed at the downstream end of the project for grade control. Scour pools were added downstream of each instream structure.

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present Species of interest Dominant hydrology Dominant substrate River corridor land use Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category Average bankfull channel depth (m) Mean discharge category Mean annual discharge (m3/s) Average channel gradient category Average channel gradient Average unit stream power (W/m2) Project background Edit project background Reach length directly affected (m) Project started Works started Works completed Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Stakeholder engagement and communication Works and works supervision Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit Physico-chemical quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Any other monitoring, e.g. social, economic Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information