Water: Archives
Table 6-1. Case Study Summary Table
Anacostia River (Metropolitan Washington, DC
Restoration Technique Restoration Goals Catagory Techniques ------------------- --- ------------------------------- Reduction in Control of CSOs and urban pollutant loading U stormwater and land use controls Stream channel restoration Restoration of (e.g., channel geometry; ecological integrity I stream bank stabilization) Restoration of spawning range I Removal of key fish barriers Increased quality and Protection of existing quantity of wetlands I and creation of new wetlands Expansion of Extensive riparian and forest cover R upland reforestation Public awareness U Public outreach program ---
Metropolitan Washington Council of Governments (1992)
Bear Creek (Iowa)
Restoration Technique Restoration Goals Catagory Techniques ------------------- --- ------------------------------- Improve water quality, aquatic habitat, and the aquatic community Create multi-species in the creek I riparian buffer strip Provide design specifications for other projects U Monitor and collect data ---
IStART (1993)
Boulder Creek (East slope, high plains in central Rocky Mountains, Boulder, CO)
Restoration Technique Restoration Goals Catagory Techniques ------------------- --- ------------------------------- Restoration of aquatic life by reducing un- Restoration of natural stream ionized ammonia geometry and contour (i.e., concentrations and replacing channelized berms, improving stream water thalweg excavation, aeration quality conditions I structures) Riparian zone revegetation R and wetland creation Streambank stabilization (biotechnical method using I wattles and brush layering) Improved timing and placement of irrigation diversion and R return flows Restrictive fencing and gating; U grazing BMPs Enhanced wastewater treatment facilities for removal of T nitrate ---
EPA (1993b)
Upper Grande Ronde River (NE Oregon
Restoration Technique Restoration Goals Catagory Techniques ------------------- --- ------------------------------- Characterization and Characterization and evaluation modeling of of impact of modified hydrology restoration factors and sedimentation patterns that will contribute attributable to land use on to reduction of stream channel morphology and summer water their effect on habitat temperatures to I suitability sustain a healthy coldwaterecosystem Characterization and evaluation of the condition of riparian corridor vegetation and its ability to act as a sediment buffer and provide shade for R the river ---
EPA (1994)
South Fork of the Salmon River (Idaho)
Restoration Technique Restoration Goals Catagory Techniques ------------------- --- ------------------------------- Reduce ground-disturbing activities through land reclamation, road closures Reduce sediment and reconstruction, and BMPs loads I for forestry and roadbuilding Remove sand from pools, Stabilize stream in-stream gravel cleaning, bank U and riparian restoration Assess progress Collect and analyze monitoring data such as core samples and fish populations ---
IPayette National Forest (1991) USDA (1989)
Wildcat Creek, San Francisco Bay tributary (Richmond, CA)
Restoration Technique Restoration Goals Catagory Techniques ------------------- --- ------------------------------- Flood control and Restoration of natural stream biological diversity I channel geometry and contour Preservation/ enhancement of riparian habitat R Planting of native species Provision of Construction of regional trail recreation, education, system and educational and open space U facilities Reduction in sediment loads and peak runoff U Grazing management plan ---
Association of State Wetland Managers (1991)
Technique Categories:
I = Instream;
R = Riparian;
U = Upland;
T = Conventional Technology.
R = Riparian;
U = Upland;
T = Conventional Technology.