WATER WORDS DICTIONARY Abbreviations and Acronyms

NEVADA DIVISION OF WATER PLANNING

WATER WORDS DICTIONARY

Abbreviations and Acronyms

The following terms are included in this dictionary or are related to this material. Greek letters and other

special symbols are alphabetically listed according to their Greek name and are presented at the end of each

letter listing. Where two acronyms have different meanings, generally the more frequently used one will

be listed first.

ACLs

Alternate Concentration Limits

ACEC

Area of Critical Environmental Concern

AF

Acre-Feet (or Acre-Foot)

AFY

Acre-Feet per Year

AGP

Algal Growth Potential

AMC

Antecedent Moisture Condition

AMD

Acid Mine Drainage

ANC

Acid Neutralizing Capacity

API

Antecedent Precipitation Index

APWA

American Public Works Association

ARARs

Applicable, Relevant, or Appropriate Requirements

ARMA

AutoRegressive Moving Average

ARS

Agricultural Restructuring Scenario

ASC

Atmospheric Sciences Center (DRI)

ASCE

American Society of Civil Engineers

ASOS

Automated Surface Observing Systems (NWS/NOAA)

ATP

Adenosine Triphosphate

ATU

Aerobic Treatment Unit

AUM

Animal Unit Month

AW

Applied Water

AWC

Available Water Content

AWT

Advanced Wastewater Treatment

AWWA

American Water Works Association

BAC BADT BAT B.P. BCF BCP BCT BFE BGS BIA BLM BMP BOD BOD5 BOR BP B.P. BPI BPT BSC

Biological Activated Carbon [Process] Best Available Demonstrated Technology Best Available Technology [Economically Achievable] Before Present Bioconcentration Factor Bioconcentration Potential Best [Conventional] Control Technology Base Flood Elevation (FEMA) Balanced Groundwater Scenario Bureau of Indian Affairs (USDI) Bureau of Land Management (USDI) Best Management Practice [Urban Water Use] Biochemical Oxygen Demand/Biological Oxygen Demand Biological Oxygen Demand--5 Days (U.S.) Bureau of Reclamation (USDI) Barometric Pressure Before Present (Time) Bureau of Plant Industry [Evaporation Pan] (USDA) Best Practicable Control Technology Biological Sciences Center (DRI)

Abbreviations and Acronyms

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Water Words Dictionary

DIVISION OF WATER PLANNING

BTU BWPC BWQP BWR

British Thermal Unit Bureau of Water Pollution Control (NDEP/DCNR) Bureau of Water Quality Planning (NDEP/DCNR) Boiling Water Reactor

C CAA CAPA CBRA CBRS CCE CDI CEC CEQA CERCLA CERES CFCs CF CFR CFS (cfs) CFSM CIR CLR CLOMR CMI COI COD COD CORPs CP CPI CSO CSS CVP CWA CZMA

Celsius (Centigrade Temperature Scale) Clean Air Act (EPA) Critical Aquifer Protection Area (SDWA) Coastal Barrier Resources Act of 1982 (FEMA) Coastal Barrier Resources System (FEMA) Carbon-Chloroform Extract Capacitive Deionization Cation Exchange Capacity California Environmental Quality Act Comprehensive Environmental Response, Compensation, and Liability Act (EPA) California Environmental Resources Evaluation System Chlorofluorocarbons Cubic Feet (or Foot) Code of Federal Regulations Cubic Feet per Second Cubic Feet per Second per Square Mile Consumptive Irrigation Requirement/Crop Irrigation Requirement Classical Linear Regression [Model] Conditional Letter of Map Revision (FEMA) Crop Moisture Index Cone of Influence Chemical Oxygen Demand Cone of Depression U.S. Army Corps of Engineers (also USACE) Cultural Practices Consumer Price Index Combined Sewer Overflow Combined Sewer System Central Valley Project (State of California) Clean Water Act (EPA) Coastal Zone Management Act

DBH DBPs DCNR D/DBP DEIS DEP DNAPLs DO DOC DOF DOW DDT DRI DU DW DWR DWR

Diameter at Breast Height Disinfection By-Products Department of Conservation and Natural Resources (State of Nevada) Disinfectant and Disinfection By-Product Rule (EPA) Draft Environmental Impact Statement (NEPA/EPA) Division of Environmental Protection (DCNR) Denser (than water) Non-Aqueous-Phase Liquids Dissolved Oxygen Dissolved Organic Carbon Division of Forestry (DCNR) Division of Wildlife (DCNR) Dichlorodiphenyltrichloroethane Desert Research Institute (University of Nevada System, State of Nevada) Distribution Uniformity Distilled Water Division of Water Resources (DCNR) Department of Water Resources (The Resources Agency, State of California)

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Abbreviations and Acronyms

DIVISION OF WATER PLANNING

Water Words Dictionary

DWP

Division of Water Planning (DCNR, also NDWP)

EA EA EC EDF EDI EDR EEEC EIS ENSO EPA EPAct ESA ESWTR ET ETAW ETR EWMP 0

Environmental Assessment (NEPA) Endangerment Assessment (EPA) Electrical Conductivity/Electroconductivity Environmental Defense Fund Equal Discharge Increment Electrodialysis Reversal Energy and Environmental Engineering Center (DRI) Environmental Impact Statement (NEPA/EPA) El Ni?o/Southern Oscillation [U.S.] Environmental Protection Agency (National) Energy Policy Act Endangered Species Act (USFWS) Enhanced Surface Water Treatment Rule (EPA) Evapotranspiration Evapotranspiration of Applied Water Equal Transit Rate Efficient Water Management Practice [Agricultural Water Use] Viscosity [eta]

F FBFM FEMA FERC FHBM FIA FIFRA FIRM FIS FLMPA FOE FONSI FPE FS FSA FTE FWS

Fahrenheit (Temperature Scale) Flood Boundary Floodway Map (FEMA) Federal Emergency Management Agency Federal Energy Regulatory Commission Flood Hazard Boundary Map (FEMA) Federal Insurance Administration (FEMA) Federal Insecticide, Fungicide, and Rodenticide Act (EPA) Flood Insurance Rate Map (FEMA) Flood Insurance Study (FEMA) Federal Land Management and Policy Act Friends of the Earth Finding of No Significant Impact (NEPA) Flood Protection Elevation (FEMA) Feasibility Study (EPA) Food Security Act (USDA) Full Time Equivalent (Employment) Free Water Surface

GAC GACT GC GC/FID GC/MS GCMs GD GDP GED GFD G.H. GID GIS GMW GPC

Granular Activated Carbon Granular Activated Carbon Treatment Gas Chromatography Gas Chromatography/Flame Ionization Detector Gas Chromatography/Mass Spectrometer General Circulation Models Geologic Division (USGS) Gross Domestic Product Gallon per Employee per Day Gallons per Square Foot [of membrane] per Day Gage Height (USGS) General Improvement District Geographic Information System Gram Molecular Weight Gallons per Capita (Person)

Abbreviations and Acronyms

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Water Words Dictionary

DIVISION OF WATER PLANNING

GPCD GPD GPED GPS GSA GWH (d (s HGL HCP HRS HSA HT HW HWM

Gallons per Capita per Day Gallons per Day Gallons per Employee per Day Global Positioning System [Federal] General Services Administration Gigawatt-Hour Dry Adiabatic Lapse Rate [gamma] Wet (Saturated) Adiabatic Lapse Rate [gamma] Hydraulic Grade Line Habitat Conservation Plan (EPA) Hazardous Ranking System (EPA) Hydrologic Study Area (DWR, State of California) High Tide High Water High Water Mark

i ICR I.E. IOWE IRP

Hydraulic Gradient Information Collection Rule (EPA) Irrigation Efficiency International Office for Water Education (Utah State University) Integrated Resource Planning

JTU

Jackson Turbidity Unit

K K Kd k KGAL KGRA KW KWH

Hydraulic Conductivity Kelvin (temperature scale) Soil Sorption Coefficient Kinetic Energy Kilogallons (thousand gallons) Known Geothermal Resource Area Kilowatt Kilowatt-Hour

LA LC50 LCA LCT LD50 LI LN LNAPLs LOMA LOMR LR lsd LTAR LVEA LW LWM LWR 7

Load Allocation Lethal Concentration?50 (percent) Life Cycle Assessment Lahontan Cutthroat Trout (USFWS) Lethal Dose?50 (percent) Langelier Index Natural Logarithm Lighter (than water) Non-Aqueous-Phase Liquids Letter of Map Amendment (FEMA) Letter of Map Revision (FEMA) Leaching Requirement Land Surface Datum Long Term Acceptance Rate [of Soils] Lahontan Valley Environmental Alliance Low Water Low Water Mark Light Water Reactor Scavenging Coefficient [lambda]

MAF

Million Acre-Feet

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Abbreviations and Acronyms

DIVISION OF WATER PLANNING

Water Words Dictionary

M&I

Municipal and Industrial

MATC

Maximum Acceptable Toxicant Concentration

MBAS

Methylene Blue Active Substance

MCL

Maximum Contaminant Level (EPA)

MCLG

Maximum Contaminant Level Goal (EPA)

MEQ/L

Milliequivalents per Liter

MGD

Million Gallons per Day

MG/L (mg/l) Milligrams per Liter

MHW

Mean High Water

MIS

Management Indicator Species

MLSS

Mixed Liquor Suspended Solids

MLVSS

Mixed Liquor Volatile Suspended Solids

MLW

Mean Low Water

MP

Measuring Point

MPA

Microscopic Particulate Analysis

MPN

Most Probable Number

MPRSA

Marine Protection, Research, and Sanctuaries Act (EPA)

MS

Mass Spectrometry

MSL

[Elevation above] Mean Sea Level

MTBE

Methyl Tertiary Butyl Ether

MW

Megawatt (one million watts)

MYA

Million Years Ago

?

Micron (one-millionth of a meter) [mu]

NAPLs NASQAN NBMG NCP NCWS NDEP NDEPS NDOW NDSP NDT NDWP NDWR N.E.C. NEPA NESDIS NEXRAD NFIP NFS NGVD NHP NIDS NIFC NIPDWR NM NMD NMFS NOAA NOHSCP NOS NOW

Non-Aqueous-Phase Liquids National Stream Quality Accounting Network (USGS) Nevada Bureau of Mines and Geology National Contingency Plan (EPA) Non-Community Water System Nevada Division of Environmental Protection (DCNR) National Pollutant Discharge Elimination System (EPA) Nevada Division of Wildlife (DCNR) Nevada Division of State Parks (DCNR) Nondestructive Testing Nevada Division of Water Planning (DCNR) Nevada Division of Water Resources (State Engineer's Office, DCNR) Not Elsewhere Classified (SIC Codes) National Environmental Policy Act (EPA) National Environmental Satellite, Data and Information Service (NOAA) Doppler Radar Data System (NWS/NOAA) National Flood Insurance Program (FEMA) National Forest Service (USDA) National Geodetic Vertical Datum [Nevada] Natural Heritage Program (DCNR) NEXRAD Information Dissemination Service (NWS/NOAA) National Interagency Fire Center (BLM) National Interim Primary Drinking Water Regulations Nautical Mile National Mapping Division (USGS) National Marine Fisheries Service (NOAA) National Oceanic and Atmospheric Administration (U.S. Department of Commerce) National Oil and Hazardous Substances Contingency Plan (EPA) National Ocean Service (NOAA) Nonhazardous Oil Field Waste (EPA)

Abbreviations and Acronyms

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