A Domain is a temporarily selected subset of network components. The Domain can be used for a variety of purposes including:…
InfoSWMM H2OMap SWMM InfoSWMM SA offers an advanced RTC rule that could be used to effectively simulate the operation of pumps and flow …
The following defaults are from the EPA Stormwater Calculator
https://www.epa.gov/water-research/national-stormwater-calculator
A few of these parameters such as the capture ratio are …
The Junction inlet data table stores information regarding the inlet at the junction node. Refer to the section on inflow editor for more information on these input data. The following table …
APPENDIX B – Visual Object Properties
B.1 Rain Gage Properties
| Name | User-assigned rain gage name. |
| X-Coordinate | Horizontal location of the rain gage on the Study Area Map. If left blank then the rain |
APPENDIX A – Useful Tables in InfoSWMM and InfoSWMM SA from SWMM5
A.1 Units of Measurement
| Parameter | US CUSTOMARY | SI/METRIC |
| Area (Subcatchment) | acres | Hectares |
| Area (Storage Unit) | square feet | square meters |
| Area (Ponding) |
Operational control rules determine how pumps and flow regulating structures (i.e., orifice and weir) in the conveyance system will be adjusted over the course …
Special Queries for Domain and Facility in InfoSWMM and InfoSWMM SA
Special Queries are part of the Domain and Facility Managers
Special Query – Include all network components that meet the criteria of …
The Attribute Browser has the following buttons/tools. The tools change depending on the type of Element.
Each one of these buttons is briefly described below:…
The Junction inlet data table stores information regarding the inlet at the junction node. Refer to the section on inflow editor for more information on these …
Stormwater Runoff and the Rational Method in InfoSWMM and InfoSWMM SA
For storm sewer loading, the focus shifts to hydrologic analysis of excess precipitation and associated runoff. Common techniques for analysis include the …
Example 8. Combined Sewer Systems in InfoSWMM and InfoSWMM SA
This example demonstrates how to model systems that convey both sanitary wastewater and stormwater through the same pipes. Systems like these are known …
Example 4. Low Impact Development in InfoSWMM and InfoSWMM SA
This example demonstrates how to model two Low Impact Development (LID) control alternatives, filter strips and infiltration trenches. The detention pond modeled in …
Example 3. Detention Pond Design in InfoSWMM and InfoSWMM SA
This example illustrates how to define, design, and evaluate a detention pond using InfoSWMM H2OMap SWMM InfoSWMM SA. Storage units, orifices and weirs …
Example 5. Runoff Water Quality in InfoSWMM and InfoSWMM SA
This example demonstrates how to simulate pollutant buildup and washoff in an urban catchment. The influence of different land uses on pollutant buildup …
InfoSWMM H2OMap SWMM InfoSWMM SA offers 12 choices for modeling surface runoff (click on link to see more information on each method):
…
San Diego Modified Rational Formula in InfoSWMM and InfoSWMM SA
The Rational method is a widely used technique for estimation of peak flows from urban and rural drainage basins (Maidment 1993; Mays 2001). …
3.12 Culverts from H2OCalc for InfoSWMM, InfoSWMM SA and SWMM5
A culvert is a pipe that carries water under or through some feature (usually a road or highway) that would otherwise block the …
Example 1. Post-Development Runoff in InfoSWMM and InfoSWMM SA
This first example demonstrates how to construct a hydrologic model of an urban catchment and use it to compare stormwater runoff under both pre- …
Example 6. Runoff Treatment in InfoSWMM and InfoSWMM SA
This example illustrates how to model water quality treatment in the BMPs that were used in two earlier examples to control runoff from a …
Example 2. Surface Drainage Hydraulics in InfoSWMM and InfoSWMM SA
Example 1 showed how to construct a hydrologic model of an urban catchment that compared stormwater runoff under both pre- and post-development conditions. …
This example shows how to run a continuous simulation with InfoSWMM H2OMap SWMM InfoSWMM SA using a long-term rainfall record. It will analyze the …
Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found…
Example 7. Dual Drainage Systems in InfoSWMM and InfoSWMM SA
The post-development model in Example 2 simulated simple hydraulic routing within a surface drainage system that employed open channels in the form of …