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| Better Site Design (BSD) || [[Better site design]] refers to the application of non-structural practices at new development sites to reduce site impervious cover, conserve natural areas, and use pervious areas to more effectively treat stormwater runoff.  Also know as low impact development.
 
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| Channel Protection (V<sub>cp</sub>Volume || Example
 
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| Design Storm || Example
 
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| Detention Time || Example
 
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| Example || Example
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| Extreme Storm Volume (V<sub>p100</sub> || Example
 
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| Hydrologic Soil Group (HSG) || Example
 
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| Other Sensitive Receiving Waters || Example
 
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| Overbank Flood Volume (V<sub>p10</sub>) || Example
 
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| Permanent Pool Volume (V<sub>pp</sub>) || Example
 
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| Pre-Development Conditions || Example
 
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| Recharge Volume (V<sub>re</sub>) || Example
 
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| Special Waters || Example
 
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| Total Storage Volume (V<sub>ts</sub>) || Example
 
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| Water Quality Volume (V<sub>wq</sub>) || Generic term for the storage volume used to capture, treat and remove pollutants in stormwater runoff. It is normally expressed as a volume (watershed-inches or acre-feet) and is denoted by V<sub>wq</sub>.  For ponds and wetlands, the MPCA CGP defines it as the volume of live storage above the permanent pool (above the dead storage) used for water quality.  For non-pond BMPs, MPCA defines the water quality volume in the same manner as the general definition above.
 
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Revision as of 22:06, 4 December 2012

Term Definition
Better Site Design (BSD) Better site design refers to the application of non-structural practices at new development sites to reduce site impervious cover, conserve natural areas, and use pervious areas to more effectively treat stormwater runoff. Also know as low impact development.
Channel Protection (VcpVolume Example
Design Storm Example
Detention Time Example
Extreme Storm Volume (Vp100 Example
Hydrologic Soil Group (HSG) Example
Other Sensitive Receiving Waters Example
Overbank Flood Volume (Vp10) Example
Permanent Pool Volume (Vpp) Example
Pre-Development Conditions Example
Recharge Volume (Vre) Example
Special Waters Example
Total Storage Volume (Vts) Example
Water Quality Volume (Vwq) Generic term for the storage volume used to capture, treat and remove pollutants in stormwater runoff. It is normally expressed as a volume (watershed-inches or acre-feet) and is denoted by Vwq. For ponds and wetlands, the MPCA CGP defines it as the volume of live storage above the permanent pool (above the dead storage) used for water quality. For non-pond BMPs, MPCA defines the water quality volume in the same manner as the general definition above.