1.1Urbanization and Stormwater Runoff -- 1 -- 1.2 Urban Hydrology, Hydraulics, and Stormwater Quality -- 2 -- 2 Rainfall for Designing Urban Drainage Systems -- 5 -- 2.1 Hydrologic Description of Rainfall -- 5 -- 2.2 Probabilistic Description of Rainfall -- 8 -- 2.3 Design Rainfall -- 15 -- 2.4 Construction of Design-Storm Hyetographs -- 18 -- 3 Rainfall Excess Calculations -- 34 -- 3.1 Calculation of Rainfall Abstractions -- 34 -- 3.2 Combined Loss Models -- 53 -- 4 Rainfall Excess and Open-Channel Flow in Urban Watersheds -- 65 -- 4.1 Open-Channel Hydraulics -- 65 -- 4.2 Overland Flow -- 71 -- 4.3 Channel Flow -- 79 -- 5 Calculation of Runoff Rates From Urban Watersheds -- 94 -- 5.2 Calculation of Time of Concentration -- 97 -- 5.3 Unit Hydrograph Method -- 104 -- 5.4 Soil Conservation Service Methods for Runoff Rate Calculations -- 119 -- 5.5 Santa Barbara Urban Hydrograph Method -- 125 -- 5.6 USGS Regression Equations -- 129 -- 5.7 Rational Method -- 132 -- 5.8 Kinematic-Rational Methods -- 136 -- 6 Stormwater Drainage Structures -- 147 -- 6.1 Drainage of Street Pavements -- 147 -- 6.2 Storm Sewer Systems -- 166 -- 6.3 Culverts -- 184 -- 6.4 Design of Surface Drainage Channels -- 200 -- 7 Stormwater Detention for Quantity Management -- 218 -- 7.1 Detention Basins -- 218 -- 7.2 Infiltration Practices -- 249 -- 8 Urban Stormwater Pollution -- 268 -- 8.1 Modeling Urban Stormwater Quality -- 269 -- 8.2 Annual Pollutant Load Estimates -- 279 -- 9 Best Management Practices for Urban Stormwater Quality Control -- 291 -- 9.1 Extended Detention Basins -- 293 -- 9.2 Retention Basins -- 299 -- 9.3 Water Quality Trenches -- 313 -- 9.4 Sand Filters -- 314 -- 9.5 Stormwater Wetlands -- 316 -- 9.6 Other Vegetative BMPs -- 320 -- 9.7 National Stormwater BMP Database -- 321 -- 10 Urban Stormwater Computer Models: HEC-HMS and EPA-SWMM -- 326 -- 10.1 Hydrologic Modeling Overview and Watershed Delineation -- 327 -- 10.2 Model Structure and Features of HEC-HMS -- 331 -- 10.3 Technical Capabilities of HEC-HMS -- 334 -- 10.4 HEC-HMS Example Problem -- 337 -- 10.5 Structure and Features of EPA-SWMM -- 344 -- 10.6 Technical Capabilities of EPA-SWMM -- 345 -- 10.7 EPA-SWMM Example Problem -- 347 -- 10.8 Model Calibration and Verification -- 347 -- Appendix Tabular Hydrograph Unit Discharges for SCS Type II Rainfall Distribution -- 351.