North Coast RWQCBWetland Restoration

Case Study: Upper Klamath Basin

Water Quality Coordinating Committee

October 3, 2014

Sacramento, CA

Matt St. John, Executive OfficerJohn Corbett, Board Chairman

Upper Klamath Basin Wetland Restoration

Upper Klamath Basin accounts ~20% of flow but ~70% of nutrient loading to Klamath River

~75% of wetlands converted to irrigated agriculture

Wetland restoration is key to TMDL implementation strategy

Klamath Water Quality Improvement

Projects Workshop: Conceptual Feasibility Analysis

REHABILITATED WETLANDS ALONG UPPER KLAMATH LAKE, AGENCY LAKE, LAKE EWAUNA, KENO IMPOUNDMENT

SEDIMENT P SEQUESTRATION USING ALUM MICRO-FLOC W/AERATION/OXYGENATION

DSTWs IN WOOD AND SPRAGUE RIVER VALLEYS

TARGETED DREDGING IN UKL & AGENCY LAKE COMBINED W/IN-BASIN SEDIMENT RE-USE

Diffuse Source Wetland Treatment Systems

discretionary funding FY 2015/ 2015 matched by CA State Coastal Conservancy

• SWRCB $200,000 discretionary funding FY 2015/ 2015 matched by CA State Coastal Conservancy

• Klamath Basin Rangeland Trust and Stillwater Sciences• Project Completion Date: Late 2018