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cfs = cubic feet per second
fps = feet per second
mgd= Million gallons per day
ft = feet
LF= linear feet (measuring from point A to point B)
Cy= Cubic Yards
m = meters
mm = millimeters
ppm = parts per million
sq ft = square feet
sq mi = square miles
STREAM RELATED 
LB = left bank
RB = right bank
UST = upstream
DST = downstream
RM = river mile
ORGANIZATIONS
OEPA = Ohio Environmental Protection Agency
USDA = U.S. Department of Agriculture
ODNR = Ohio Department of Natural Resources
USGS = U.S. Geological Survey
NRCS = Natural Resources Conservation Service
BLM= Bureau of Land Management
ACE= Army Corp of Engineers
MISCELLANEOUS
CWA = Clean Water Act (Federal Law 1972)
WQS = Water Quality Standards
TMDL = Total Maximum Daily Load
NPDES = National Pollution Discharge Elimination System (permit to discharge pollutants)
401= State issued individual permit to regulate activities in the states waters, including wetlands
NWP= Nationwide Permits. Issued by the Army Corp of Engineers to allow or regulate the discharge of fill or dredged materials in the nations waters, including wetlands. Authorized by Section 404 of the Clean Water Act
IBI = Index of Biotic Integrity
ICI = Invertebrate Community Index
QHEI = Qualitative Habitat Evaluation Index
EWWH= Exceptional Warm Water Habitat
WWH = Warm Water Habitat (Ohio EPA designation)
LRW = Limited Resource Water (Ohio EPA designation)
HELP = Huron/Erie Lake Plain Ecoregion
ECBP = Eastern Corn Belt Plains Ecoregion
BOD = biological oxygen demand
DO = dissolved oxygen
WWTP = wastewater treatment plant
CSO = combined sewer overflow
NA = not available
BMP = Best Management Practice
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