LID
Low Impact Developmemt
Treatment in BMP’s and LID’s for SWMM5
Treatment in BMP's and LID's
5.1 Treatment
Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here
5.1.1 Background
Management of stormwater quality is usually performed through a combination of so-called “best management practices” (BMPs) and a form … Read the rest
Refactoring the SWMM 5 Help File – LID’s In SWMM5
LID’s in SWMM5
| LID Control Editor |
The LID Control Editor is used to define a low impact development control that can be deployed throughout a study area to store, infiltrate, and evaporate Subcatchment runoff. The design of the control is made on a per-unit-area basis so that it can be … Read the rest
LID Results – Summary Report for InfoSWMM and SWMM5
LID Results - Summary Report
The performance of the LID controls placed in a Subcatchment is reflected in the overall runoff, infiltration, and evaporation rates computed for the Subcatchment as normally reported by SWMM5. The SWMM's Output Modeling Report also contains a section entitled LID Performance Summary that provides an … Read the rest
Treatment in BMP’s and LID’s for InfoSWMM and SWMM5
Treatment in BMP's and LID's
5.1 Treatment
Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here
5.1.1 Background
Management of stormwater quality is usually performed through a combination of so-called “best management practices” (BMPs) and a form … Read the rest
#SuDS in InfoWorks ICM
#SuDS in InfoWorks ICM
In InfoWorks ICM 6.5 and later the SWMM 5 LID Controls were added to the Subcatchment Grid of ICM. Here is a copy of the ICM Help File. The LID Controls are entered in the Subcatchment Grid (1), in the SuDS or LID Tab (2), it … Read the rest
#SWMM5 Bio-Retention Cell LID Reference Values
Bio-Retention Cell LID Reference Values
Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here
6.5 Parameter Estimates
The variety of LID controls modeled by SWMM introduces a significant number of design variables and parameters that must be … Read the rest
What are the Options for LID Inflow and Outflow In SWMM 5?
What are the Options for LID Inflow and Outflow in SWMM 5?
The Runoff Surfaces in SWMM 5 are:
1. Pervious area with either Green Ampt, Horton or CN Infiltration
2. Impervious area without Depression Storage or Initial Losses
3. Impervious area with Depression Storage or Initial Losses
Outflow Options … Read the rest
Underdrains for LIDs, SuDs or WSuDs in #SWMM5
The reason for this blog: The following is an excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here
Underdrains are used in the following LID Controls
6.5.1 Underdrains
Underdrains are either recommended or required when the natural … Read the rest
Simple SI Unit Model for SWMM5 LID with 100 mm Rainfall – Part 2
This blog is a companion to the blog post https://swmm5.org/2017/04/17/swmm5-simple-100-mm-rainfall-model-for-lid-modeling-part-1/ in which a 1 Hectare model with 100 mm of rainfall had a simple Bio-Retention Cell with no LID outflows. In part 2 of this blog series we will add a drain coefficient of 10 mm/hr (Figure 1). The internal … Read the rest
#SWMM5 Simple 100 mm Rainfall model for #LID modeling – Part 1
Simple SI Unit Model for SWMM5 LID with 100 mm Rainfall.
Reading this blog and using the embedded SWMM 5 example file, you will run a simple SI unit model based on factors of 1 and 10.
… Read the restThe LID (Bio-Retention Cell) is designed to have zero outflows, Figure 1,
Tutorial 8 Optimizing Bio-Retention Cells for InfoSWMM Sustain
Tutorial 8 Optimizing Bio-Retention Cells for InfoSWMM Sustain
This example shows the importance of a treatment train, the percent imperious draining to the LID's on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Bio Cells on the … Read the rest
Tutorial 7 Optimizing Swales in InfoSWMM Sustain
Tutorial 7 Optimizing Swales in InfoSWMM Sustain
This example shows the importance of a treatment train, the percent imperious draining to the LID's on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Swales on the ten Subcatchments.… Read the rest
Tutorial 6 Optimizing Rain Gardens in InfoSWMM Sustain
Tutorial 6 Optimizing Rain Gardens in InfoSWMM Sustain
This example shows the importance of a treatment train, the percent imperious draining to the LID's on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Rain Gardens on the … Read the rest
Tutorial 3 Optimizing Green Roofs in InfoSWMM Sustain
Tutorial 3 Optimizing Green Roofs in InfoSWMM Sustain
This example shows the importance of a treatment train, the percent imperious draining to the LID's on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Green Roofs on the … Read the rest
Tutorial 2 Optimizing Rain Barrels for InfoSWMM Sustain
Tutorial 2 Optimizing Rain Barrels for InfoSWMM Sustain
This example shows the importance of a treatment train, the percent imperious draining to the LID's on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Rain Barrels on the … Read the rest
Tutorial 11 Importing a LID from InfoSWMM LID Coverage DB Table to InfoSWMM Sustain
Tutorial 11 Importing a LID from InfoSWMM LID Coverage DB Table
In addition to the LID Candidates found by the Siting Manager or added by the Sustain User directly to the LID Candidates Grid you can also import any LID's defined in the LID Usage DB Table. Three ways to … Read the rest
Tutorial 13 How are the Costs Used in the LID Candidate Table for InfoSWMM Sustain?
Tutorial 13 How are the Costs Used in the LID Candidate Table for InfoSWMM Sustain?
There are seven type of costs associated with a LID or SuDS in InfoSWMM Sustain as shown in the following table.
| Type of Cost | Description of Cost |
| Linear Cost | Cost per linear unit of the |
Tutorial 1 Creating a Simple Green Roof Optimization for InfoSWMM Sustain
Tutorial 1 Creating a Simple Green Roof Optimization for InfoSWMM Sustain
In Tutorial 1 we will use the Siting Manager to Site Green Roof LID Types for later Optimization and Export to the InfoSWMM LID Usage DB Table. Tutorial 1 is designed for first-time users of InfoSWMM Sustain and provides … Read the rest
General #LID Features in #InfoSWMM Sustain
General #LID Features in #InfoSWMM Sustain
The number of LID Controls is unlimited and very flexible. In addition to the 5 main LID controls:
1. Rain Barrel
2. Bio-Retention Cell
3. Infiltration Trench
4. Porous Pavement
5. Vegetative Swale
6. Green Roof
7. Rain Garden
8. Rooftop Disconnection



You can … Read the rest












