Acronyms


AFY

Acre feet per year


CCEFN

Consensus Criteria for Environmental Flow Needs

cfs

Cubic feet per second

CWA

Clean Water Act


DO

Dissolved oxygen

DTS

Detailed Technical Studies


EPA

United States Environmental Protection Agency

ESA

Endangered Species Act


FERC

Federal Energy Regulatory Commission

FIFS

Framework for Instream Flow Studies


GIS

Geographical information system


HSC

Habitat suitability criteria


IBI

Index of Biotic Integrity

IFC

Instream Flow Council

IFIM

Instream Flow Incremental Methodology

ISF

Instream flow

IHA

Indicators of Hydrologic Alteration

ITA

Initial Technical Assessment


LCRA

Lower Colorado River Authority

LWD

Large woody debris


NPDES

National Pollution Discharge Elimination System

NRC

National Research Council


PHABSIM

Physical Habitat Simulation Approach

PWP

Programmatic Work Plan


QA

Quality assurance

QC

Quality control


SWFWMD

Southwest Florida Water Management District


TCEQ

Texas Commission on Environmental Quality

TMDL

Total maximum daily load

TNRCC

Texas Natural Resources Conservation Commission

TOD

Technical Overview Documents

TPDES

Texas Pollutant Discharge Elimination System

TPWD

Texas Parks and Wildlife Department



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OCR for page 135
The Science of Instream Flows: A Review of the Texas Instream Flow Program Acronyms AFY Acre feet per year CCEFN Consensus Criteria for Environmental Flow Needs cfs Cubic feet per second CWA Clean Water Act DO Dissolved oxygen DTS Detailed Technical Studies EPA United States Environmental Protection Agency ESA Endangered Species Act FERC Federal Energy Regulatory Commission FIFS Framework for Instream Flow Studies GIS Geographical information system HSC Habitat suitability criteria IBI Index of Biotic Integrity IFC Instream Flow Council IFIM Instream Flow Incremental Methodology ISF Instream flow IHA Indicators of Hydrologic Alteration ITA Initial Technical Assessment LCRA Lower Colorado River Authority LWD Large woody debris NPDES National Pollution Discharge Elimination System NRC National Research Council PHABSIM Physical Habitat Simulation Approach PWP Programmatic Work Plan QA Quality assurance QC Quality control SWFWMD Southwest Florida Water Management District TCEQ Texas Commission on Environmental Quality TMDL Total maximum daily load TNRCC Texas Natural Resources Conservation Commission TOD Technical Overview Documents TPDES Texas Pollutant Discharge Elimination System TPWD Texas Parks and Wildlife Department

OCR for page 135
The Science of Instream Flows: A Review of the Texas Instream Flow Program TSS Total suspended solids TWDB Texas Water Development Board USACE United States Army Corps of Engineers USGS United States Geological Survey WAM Water Availability Model