List of Acronyms, Abbreviations, and Hydroelectric Terms

af
Acre-foot, the amount of water needed to cover one acre to a depth of one foot.
APE
Area of Potential Effect as pertaining to Section 106 of the National Historic Preservation Act.
BIA
Bureau of Indian Affairs
BLM
Bureau of Land Management
CADD
computer aided drafting and design
CFR
Code of Federal Regulations
cfs
cubic feet per second
Commission
Federal Energy Regulatory Commission
CSKT
Confederated Salish & Kootenai Tribes
CWA
Clean Water Act
DLA
Draft License Application
DO
dissolved oxygen
DOE
U.S. Department of Energy
DOI
U.S. Department of Interior
EA
Environmental Assessment
EAP
Emergency Action Plan
EFH
Essential Fish Habitat
EIS
Environmental Impact Statement
EL
elevation
ESA
Endangered Species Act
FERC
Federal Energy Regulatory Commission
Flowline
Enclosed pipeline with low slope leading from dam to penstocks
Francis Turbine
A radial-inflow reaction turbine, where flow through the runner is radial to the turbine shaft
FPA
Federal Power Act
FWCA
Fish and Wildlife Coordination Act
GIS
Geographic Information Systems
GWh
Gigawatt-hour (equals one million kilowatt-hours)
Hp
Horsepower
Hz
hertz (cycles per second)
HPMP
Historic Properties Management Plan
ILP
Integrated Licensing Process
Installed Capacity
The nameplate MW rating of a generator or group of generators
Interested Parties
The broad group of individuals and entities that have an interest in a proceeding
kW
kilowatt
kWh
kilowatt-hour
KTI
Kootenai Tribe of Idaho
kV
kilovolts
Lake Creek Dam
The Project Dam located on Lake Creek at approximately RM 1.0. Also known as Troy Dam
Lake Creek Reservoir
The Project reservoir formed by Lake Creek Dam. also known as Troy Reservoir.
License Application
Application for New License submitted to FERC no less than two years in advance of expiration of an existing license. See DLA.
Licensee
Northern Lights, Inc.
MTDEQ
Montana Department of Environmental Quality
MTFWP
Montana Department of Fish, Wildlife and Parks
MTPSC
Montana Public Service Commission
MW
megawatt
MWh
megawatt-hour
NEPA
National Environmental Policy Act
NGO
Non-governmental organization
NLI
Northern Lights, Inc.
NMFS
National Marine Fisheries Services, same as NOAA Fisheries
NOAA Fisheries
NOAA National Marine Fisheries Service, same as NMFS
NPDES
National Pollutant Discharge Elimination System
NPS
National Park Service
NOI
Notice of Intent
Normal Operating Capacity
The maximum MW output of a generator or group of generators under normal maximum head and flow conditions
NRECA
National Rural Electric Cooperative Association
NWI
National Wetlands Inventory
PAD
Pre-Application Document
Peaking
Operation of generating facilities to meet maximum instantaneous electrical demands
Penstock
An inclined pressurized pipe through which water flows from a forebay or tunnel to the powerhouse turbine
PDF
Portable Document Format
PLP
Preliminary Licensing Proposal
PM&E
Protection, Mitigation and Enhancement Measures
PMF
Probable Maximum Flood
Project
FERC Project No. 2594, Lake Creek Project
Project Area
The area within the FERC Project boundary.
Project Boundary
The boundary line defined in the Project license issued by FERC that surrounds those areas needed for operation of the Project.
Project Vicinity
The general geographic area in which the Project is located; for this PAD, Lincoln County, Montana.
QC
quality control
Relicensing
The process of acquiring a new FERC license for an existing hydroelectric project upon expiration of the existing FERC license.
Relicensing Participants
Individuals and entities that are actively participating in a proceeding
Resource Affected Area
The geographic area in which a specific resource is potentially affected by the Project.
RM
River mile
RT&E Species
Rare, threatened, endangered and special status species, which for purposes of this PAD is defined to include (1) all species (plant and animal) listed, proposed for listing, or candidates for listing under the Federal and state Endangered Species Acts and those listed by the USFS as sensitive, special status or watch list.
Run-of-the-river
A hydroelectric project that uses the flow of a stream with little or no reservoir capacity for storing water.
SD
Scoping Document
Service List
A list maintained by FERC of parties who have formally intervened in a proceeding. In relicensing, there is no Service List until the license application is filed and accepted by FERC. Once FERC establishes a Service List, any documents filed with FERC must also be sent to the Service List.
SHPO
State Historic Preservation Officer
Surge Chamber
A structure located on a tunnel or penstock, used to absorb and attenuate the overflow and prevents any disruption due to a sudden change in water pressure through a tunnel or penstock.
Tailrace
Channel through which water is discharged from the powerhouse turbines.
Troy Dam
Lake Creek Dam
Troy Reservoir
Lake Creek Reservoir
TU
Trout Unlimited
USACE
U.S. Army Corps of Engineers
USDA
U.S. Department of Agriculture
USEPA
U.S. Environmental Protection Agency
USFS
U.S. Forest Service
USFWS
U.S. Fish and Wildlife Service
USGS
U.S. Geological Survey
WQC
Water Quality Certificate