are pledged to the bondholders as additional collateral, thus more than assuring a AAA bond rating. Second, the interest on the invested capital is used to pay subsidies to the CWSRF program's local utility borrowers. CWSRF Benefits Reporting System The CWSRF Benefits Reporting System (CBR), launched in 2005 and adopted by all 51 state programs, produces a quantifiable record of the environmental and public health impact of CWSRF investments. Figures 6 and 8 present data reported in the CBR System to date. CBR allows users to record anticipated water quality improvements from every CWSRF loan directed towards water quality improvement. The 51 state programs have used CBR to track the environmental impact of 4,878 projects. The data link $15.8 billion in CWSRF loans to projects that protect and restore drinking water sources, recreational areas, and aquatic wildlife throughout the country. In 2007, CWSRF programs funded more than 964 projects designed to protect and restore water bodies, including 597 projects with direct human health benefits. Statutory authority Clean Water Act sections 212, 319, and 320 provide the statutory authority for programs funded by the CWSRF. The CWSRF is authorized to provide financial assistance for the construction of publicly owned treatment works (sec. 212), the development and execution of state's comprehensive conservation management plans (sec. 319), and the development and execution of an estuary conservation and management plan (sec. 320). Eligibility Eligible projects under CWA section 212 include the capital costs for the construction and maintenance of publicly owned treatment works (POTWs). Wastewater collection and treatment Publicly owned municipal stormwater projects Combined sewer overflow Sanitary sewer overflow Water pipes, storage, and treatment systems Green infrastructure Water quality portions of municipal landfill projects Water conservation and reuse Energy Conservation and Efficiency. Eligible projects under CWA section 319 (nonpoint source projects) may include: Agricultural runoff Leaking on-site septic systems Stormwater runoff Brownfield contamination Atmospheric deposition Runoff from closed landfills Leaking underground storage tanks. CWA section 320 (estuary management) allows the CWSRF to fund publicly and privately owned projects, as long as the project is part of the state's Comprehensive Conservation Management Plan (CCMP) and is sanctioned in the plan. Planting trees and shrubs within the watershed (drainage basin) Purchasing equipment required for the CCMP Environmental clean-up Development and initial delivery of educational programs. Projects must have a direct benefit to the water quality of an estuary. This includes: Protection of public water supplies Protection