SOURCE CODE 1 - Source Code 1 denotes Entity responsible for submitting data to TCEQ
AM - TEXAS A&M UNIVERSITY - CORPUS CHRISTI CENTER FOR COASTAL STUDIES
AN - ANGELINA-NECHES RIVER AUTHORITY
AR - CITY OF ARLINGTON
AU - CITY OF AUSTIN
BE - CITY OF BEEVILLE
BR - BRAZOS RIVER AUTHORITY
CB - CONRAD BULCHER INSTITUTE
CC - CITY OF CORPUS CHRISTI
CE - CORPS OF ENGINEERS
CL - CADDO LAKE INSTITUTE
CR - CANADIAN RIVER MUNICIPAL WATER AUTHORITY
CY - CYPRESS BASIN
GA - CITY OF GALVESTON
GB - GUADALUPE BLANCO RIVER AUTHORITY
GS - UNITED STATES GEOLOGICAL SURVEY
HD - TEXAS DEPARTMENT OF HEALTH
HG - HOUSTON-GALVESTON AREA COUNCIL
HO - CITY OF HOUSTON
IB - INTERNATIONAL BOUNDARY & WATER COMMISSION
IR - CITY OF IRVING
JC - JEFFERSON CO. ENVIRONMENTAL CONTROL DISTRICT
LC - LOWER COLORADO RIVER AUTHORITY
LN - LAVACA-NAVIDAD RIVER AUTHORITY
LV - LOWER NECHES VALLEY AUTHORITY
NR - NUECES RIVER AUTHORITY/NUECES COASTAL
NT - NORTHEAST TEXAS MUNICIPAL WATER DISTRICT
PA - PATRICK BAYOU TMDL LEAD ORGANIZATION
PB - PBS&J
PE - PARSONS ENGINEERING SCIENCE
PW - TEXAS PARKS & WILDLIFE DEPARTMENT
RC - TEXAS RAILROAD COMMISSION
RI - CITY OF RICHARDSON
RR - RED RIVER AUTHORITY
SA - SAN ANTONIO RIVER AUTHORITY
SB - SENATE BILL 835
SJ - SAN JACINTO RIVER AUTHORITY
SN - SAN ANTONIO METROPOLITAN HEALTH DEPARTMENT
SR - SABINE RIVER AUTHORITY
SU - SULPHUR RIVER BASIN AUTHORITY
TA - TEXAS INSTITUTE FOR APPLIED ENVIRONMENTAL RESEARCH (TIAER)
TP - TEXAS MUNICIPAL POWER AUTHORITY (changed from TM)
TT - TEXAS STATE TECHNOLOGICAL COLLEGE
TR - TRINITY RIVER AUTHORITY
TW - TEXAS WATCH
UG - UPPER GUADALUPE RIVER AUTHORITY
UH - UNIVERSITY OF HOUSTON
UM - UNIVERSITY OF TEXAS MARINE SCIENCE INSTITUTE
UN - UPPER NECHES RIVER AUTHORITY
WA - CITY OF WACO
WC - TEXAS NATURAL RESOURCE CONSERVATION COMMISSION
XX - HISTORICAL DEFAULT CODE FOR UNKNOWN SOURCES
SOURCE CODE 2 - Source Code 2 denotes Entity responsible for sampling
AM - TEXAS A&M UNIVERSITY-CORPUS CHRIST CENTER FOR COASTAL STUDIES
AN - ANGELINA-NECHES RIVER AUTHORITY
AR - CITY OF ARLINGTON
AU - CITY OF AUSTIN
BB - BIG BEND NATIONAL PARK SERVICE
BE - CITY OF BEEVILLE
BN - CITY OF BROWNSVILLE
BP - BIG THICKET PRESERVE
BR - BRAZOS RIVER AUTHORITY
BT - BORDER ENVIRONMENTAL ASSESSMENT
CB - CONRAD BULCHER INSTITUTE
CC - CITY OF CORPUS CHRISTI
CE - CORPS OF ENGINEERS
CL - CADDO LAKE INSTITUTE
CO - TNRCC CENTRAL OFFICE
CR - CANADIAN RIVER MUNICIPAL WATER AUTHORITY
CW - COLORADO RIVER MUNICIPAL WATER DISTRICT
CY - CYPRESS BASIN
DA - CITY OF DALLAS
DR - CITY OF DEL RIO
EK - DONALD MacNAIR
FC - FRANKLIN COUNTY WATER DISTRICT
FO - TNRCC REGIONAL OFFICE
FS - TOWN LAKE FISH STUDY
FW - CITY OF FORT WORTH
GA - CITY OF GALVESTON
GB - GUADALUPE BLANCO RIVER AUTHORITY
GC - GALVESTON COUNTY HEALTH DISTRICT
GF - GALVESTON BAY FOUNDATION
GS - UNITED STATES GEOLOGICAL SURVEY
HC - HARRIS COUNTY POLLUTION CONTROL
HD - TEXAS DEPARTMENT OF HEALTH
HG - HOUSTON-GALVESTON AREA COUNCIL
HH - HOUSTON HEALTH & HUMAN SERVICES
HO - CITY OF HOUSTON
HP - CITY OF HOUSTON DEPT. OF PUBLIC WORKS & ENGINEERING
HR - HDR ENGINEERING CO.
HW - HOUSTON WATER QUALITY CONTROL
IB - INTERNATIONAL BOUNDARY & WATER COMMISSION
IR - CITY OF IRVING
KG - CITY OF KILGORE
LA - CITY OF LAREDO HEALTH DEPT.
LC - LOWER COLORADO RIVER AUTHORITY
LE - CITY OF LAREDO ENVIRONMENTAL ENGINEERING DIVISION
LL - TRA LAKE LIVINGSTON PROJECT
LN - LAVACA-NAVIDAD RIVER AUTHORITY
LV - LOWER NECHES VALLEY AUTHORITY
LW - CITY OF LONGVIEW
MB - MATAGORDA BAY STUDY
MG - TEXAS A&M GALVESTON, LABORATORY OF OCEANOGRAPHIC AND ENVIRONMENTAL RESEARCH
NR - NUECES RIVER AUTHORITY
NT - NORTHEAST TEXAS MUNICIPAL WATER DISTRICT
PB - PBS&J
PE - PARSONS ENGINEERING SCIENCE
PP - PAUL PRICE ASSOCIATES
PW - TEXAS PARKS & WILDLIFE DEPARTMENT
RC - TEXAS RAILROAD COMMISSION
RI - CITY OF RICHARDSON
RN - RIO GRANDE INT’L STUDY CENTER
RR - RED RIVER AUTHORITY
SA - SAN ANTONIO RIVER AUTHORITY
SC - Friends of Sulphur Creek
SG - CITY OF SAN ANGELO
SH - CITY OF SHERMAN
SJ - SAN JACINTO RIVER AUTHORITY
SN - SAN ANTONIO METROPOLITAN HEALTH DEPT.
SP - SABAL PALMS AUSBBON CENTER & SANCTUARY
SR - SABINE RIVER AUTHORITY
SU - SULPHUR RIVER BASIN AUTHORITY
SV - Salado Creek Volunteer Monitors
TA - TEXAS INSTITUTE FOR APPLIED ENVIRONMENTAL RESEARCH (TIAER) (changed from TI)
TC - TEXARKANA COLLEGE
TD - TARRANT REGIONAL WATER DISTRICT
TE - TEXAS EASTMAN
TK - TEXARKANA WATER UTILITIES
TL - TEXAS A&M UNIVERSITY TRACE ELEMENT RESEARCH LABORATORY
TR - TRINITY RIVER AUTHORITY
TT - TEXAS STATE TECHNOLOGICAL COLLEGE
TW - TEXAS WATCH
UB - UNIVERSITY OF TEXAS AT BROWNSVILLE
UC - UPPER COLORADO RIVER AUTHORITY
UE - UNIVERSITY OF TEXAS AT EL PASO, BIOLOGICAL SCIENCES DEPT.
UG - UPPER GUADALUPE RIVER AUTHORITY
UH - UNIVERSITY OF HOUSTON
UI - ENVIRONMENTAL INSTITUTE OF HOUSTON
UP - UPPER PECOS SOIL AND WATER CONSERVATION DISTRICT #213
UT - UNIVERSITY OF NORTH TEXAS
WA - CITY OF WACO
WV - Wimberley Valley
ZP - ZAPATA COUNTY
01 - BOY SCOUTS OF AMERICA/SAM HOUSTON CHAPTER
43 - COLORADO RIVER WATCH
Program Codes (Prior to FY 2008)
CM - Monitoring performed under an approved QAPP by volunteer citizens
DI - 24-hour dissolved oxygen sampling conducted over a 24-hour period
DL - 303-D list related monitoring
FL - Flow monitoring study to support permit actions
IS - Intensive/systematic subwatershed monitoring on a cyclical basis
NP - project specific monitoring to characterize nonpoint source loadings
QA - Quality assessment monitoring by TCEQ Central Office field studies
RG - Rio Grande Toxic Substances Study (for TCEQ Central Office only)
RT - Routine/baseline water sampling for long-term monitoring
RW - Receiving water assessment to support permit actions
SE - Special Event sampling done at fish kills, spills, flood events, etc.
SS - Special Study monitoring scheduled as part of an approved special study
TI - 24-hour dissolved oxygen collected under a TMDL QAPP
TN - Sampling collected under a TMDL QAPP - not used for assessment
TQ - Sampling collected under a TMDL QAPP - used for assessment
TS - Targeted Monitoring Special Study site specific monitoring to support permit actions
Program Codes (Current)
| RT | Monitoring not intentionally targeted toward any environmental condition or event |
| BS | Monitoring targeted toward a certain time of year (for example, critical or index period) |
| BF | Monitoring targeted toward certain flow conditions (for example, runoff events) |
| BE | Monitoring targeted toward a specific event (for example, fish kill or spill) |
| CT | Continuous monitoring not intentionally targeted toward any environmental condition (the summary statistics are coded RT) |
| CS | Continuous monitoring targeted toward a certain time of year (the summary statistics are coded BS) |
| CF | Continuous monitoring targeted toward certain flow conditions (the summary statistics are coded BF) |
| CE | Continuous monitoring targeted toward a specific event (the summary statistics are coded BE) |
| CQ | Continuous monitoring QA samples |
| CD | Data submitted via LEADS (monitoring intent not characterized) |
| QA | QA samples |