Acronyms Acronyms

A

• ac - acre(s)

B

• BASINS - Better Assessment Science Integrating Point and Nonpoint Sources
• BMP - best management practice
• BSD - better site design
• BOD - biological oxygen demand
• BWCA - Boundary Waters Canoe Area
• BWSR - Board of Water and Soil Resources

C

• cfs - cubic feet per second
• C.F.R. - Code of Federal Regulations
• CGP - construction general permit
• CMP - corrugated metal pipe
• CN - curve number
• CN - cyanide
• COD - chemical oxygen demand
• C/O - commercial/office
• CWA - Federal Clean Water Act
• CWP - Center for Watershed Protection
• CZMA - Coastal Zone Management Act

D

• DA - drainage area
• DDT - dichlorodiphenyltrichloroethane
• DHS - Department of Homeland Security
• DNR - Minnesota Department of Natural Resources
• DO - dissolved oxygen
• DRC - distributed runoff control
• du - dwelling units
• DWSMA - Drinking Water Source Management Area

E

• ED - extended detention
• EGR - extensive green roof
• EMC - event mean concentration
• EOR - Emmons and Olivier Resources, Inc.
• EPA - U.S. Environmental Protection Agency
• EPTM - Ethylene propylene diene monomer
• ETV - Program U.S. EPA’s Environmental Technology Verification Program

F

• FEMA - Federal Emergency Management Agency
• fps - feet per second
• ft - feet

G

• gal - gallons
• gpm - gallons per minute
• GLI - Great Lakes Initiative
• GP - Minnesota Construction General Permit (2003)
• gpf - gallons per flush
• GW - ground water

H

• HDPE - high density polyethylene
• HDR - high density residential
• HEC 1 - Hydrologic Engineering Center 1 model
• HEC 2 - Hydrologic Engineering Center 2 model
• HSG - hydrologic soil group
• HS - hotspot

I

• I&M - inspection and maintenance
• IDF - intensity duration frequency curves
• IGR - intensive green roof
• in - inch(es)
• IP - Issue Paper
• IPM - integrated pest management

L

• lb - pound
• LDR - low density residential
• LGU - local governmental unit
• LID - low impact development

M

• MCWD - Minnehaha Creek Watershed District
• MDH - Minnesota Department of Health
• MDR - medium density residential
• MGS - Minnesota Geological Survey
• mg/L - milligrams per liter
• MIDS- Minimal Impact Design Standards
• MMCD - Metropolitan Mosquito Control District
• Mn/DOT - the Minnesota (state) Department of Transportation.
• MNRRA - Mississippi National River and Recreation Area
• MPCA - Minnesota Pollution Control Agency
• M.S. - Minnesota Statutes
• MS4 - Municipal Separate Storm Sewer System under the Phase II NPDES program
• MSC - the Minnesota Stormwater Steering Committee’s Manual Sub Committee

N

• NaCl - sodium chloride or common table salt used for roadway deicing.
• NEMO - Non point Education for Municipal Officials
• NFIP - National Flood Insurance Program
• NOAA - National Oceanic and Atmospheric Administration
• NPDES - National Pollutant Discharge Elimination System
• NRCS - U.S. Department of Agriculture, Natural Resource and Conservation Service (formerly the SCS Soil Conservation Service)
• NSMPP - Nonpoint Source Management Program Plan
• NWI - National Wetlands Inventory
• NWL - normal water level
• NWS - National Weather Service
• NURP - Nationwide Urban Runoff Program

O

• O&M - operation and maintenance
• OHWL - Ordinary High Water Level
• OMEE - Ontario Ministry of Environment and Energy

P

• P - Phosphorus
• P8 - Program for Predicting Polluting Particle Passage through Pits, Puddles and Ponds
• PAH - polycyclic aromatic hydrocarbon
• PCB - polychlorinated biphenyl
• PICP – permeable interlocking concrete pavement
• ppm - parts per million
• PSH - Potential stormwater hotspot
• PVC - polyvinyl chloride
• psi - pounds per square inch
• PWI - Public Waters Inventory

R

• RCP - reinforced concrete pipe
• RFS - rainfall frequency spectrum
• ROW - right of way

S

• SD - separation distance
• SCS - Soil Conservation Service (now the Natural Resource and Conservation Service)
• SDS - State Discharge System
• SDWA - Safe Drinking Water Act
• Sol P - soluable phosphorus
• SFR - single family residential (land use)
• SIC - Standard Industrial Classification
• SLAMM - Source Loading Assessment and Management Model
• SNA - Scientific and Natural Area
• SPT - standard penetration test
• SSC - the Minnesota Stormwater Steering Committee
• SW - surface water
• SWAMP - Stormwater Assessment Monitoring and Performance Program of the Toronto and Region Conservation Authority
• SWCD - Soil and Water Conservation District
• SWMM - Storm Water Management Model
• SWPPP - storm water pollution prevention plan/program

T

• TDS - total dissolved solids
• THMs - trihalomethanes
• TMDL - total maximum daily load
• TN - total nitrogen
• TP - total phosphorus
• TP 40 - Technical Publication 40
• TR 20 - Technical Release Number 20: Computer Program for Project Formulation Hydrology
• TR 55 - Technical Release Number 55: Urban Unit Hydrology for Small Watersheds
• TSS - total suspended solids
• TURM - Thermal Urban Runoff Model

U

• USACE - United States Army Corps of Engineers
• U.S.C. - United States Code
• USC - unified sizing criteria
• USDA – United States Department of Agriculture
• U.S. EPA – United States Environmental Protection Agency

W

• WCA - Minnesota Wetland Conservation Act
• WD - Watershed District
• WLF - water level fluctuation
• WMO - Water Management Organization
• WNV - West Nile Virus
• WQ - water quality
• WSEL - water surface elevation