ONION CREEK AT LOW WATER CROSSING UPSTREAM FROM FM 973/ONION CREEK AT FM 973
Monitored By:  

Lower Colorado River Authority __Texas Commission on Environmental Quality __
 List results (tabular is default)
 Include profile data (surface is default)

  Select All: Parameter CodeDescription
Field and Flow
 72053DAYS SINCE PRECIPITATION EVENT (DAYS)
 00061FLOW STREAM, INSTANTANEOUS (CUBIC FEET PER SEC)
 89835FLOW MTH 1=GAGE 2=ELEC 3=MECH 4=WEIR/FLU 5=DOPPL
 01351FLOW:1=No Flow,2=Low,3=Normal,4=Flood,5=High,6=D
 89926MACROPHYTE BED AT COLLECTION POINT (%)
 00300OXYGEN, DISSOLVED (MG/L)
 00400PH (STANDARD UNITS)
 00403PH (STANDARD UNITS) LAB
 00095SPECIFIC CONDUCTANCE (UMHOS/CM @ 25C)
 00094SPECIFIC CONDUCTANCE,FIELD (UMHOS/CM @ 25C)
 74069STREAM FLOW ESTIMATE (CFS)
 00010TEMPERATURE, WATER (DEGREES CENTIGRADE)
 00078TRANSPARENCY, SECCHI DISC (METERS)
Bacteria
 31699E. COLI, COLILERT, IDEXX METHOD, MPN/100ML
 31616FECAL COLIFORM,MEMBR FILTER,M-FC BROTH, #/100ML
Conventional Chemistry
 00410ALKALINITY, TOTAL (MG/L AS CACO3)
 00310BIOCHEMICAL OXYGEN DEMAND (MG/L, 5 DAY - 20DEG C
 00680CARBON, TOTAL ORGANIC, NPOC (TOC), MG/L
 00335CHEMICAL OXYGEN DEMAND, .025N K2CR2O7 (MG/L)
 00940CHLORIDE (MG/L AS CL)
 32211CHLOROPHYLL-A UG/L SPECTROPHOTOMETRIC ACID. METH
 00951FLUORIDE, TOTAL (MG/L AS F)
 00620NITRATE NITROGEN, TOTAL (MG/L AS N)
 00615NITRITE NITROGEN, TOTAL (MG/L AS N)
 00630NITRITE PLUS NITRATE, TOTAL 1 DET. (MG/L AS N)
 00610NITROGEN, AMMONIA, TOTAL (MG/L AS N)
 00625NITROGEN, KJELDAHL, TOTAL (MG/L AS N)
 00593NO2 PLUS NO3-N, TOTAL, WHATMAN GF/F FILT (MG/L)
 70507ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FILTER >15MIN
 00671ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FLDFILT<15MIN
 32218PHEOPHYTIN-A UG/L SPECTROPHOTOMETRIC ACID. METH.
 00660PHOSPHATE, ORTHO (MG/L AS PO4)
 00665PHOSPHORUS, TOTAL, WET METHOD (MG/L AS P)
 00530RESIDUE, TOTAL NONFILTRABLE (MG/L)
 00535RESIDUE, VOLATILE NONFILTRABLE (MG/L)
 70300RESIDUE,TOTAL FILTRABLE (DRIED AT 180C) (MG/L)
 00945SULFATE (MG/L AS SO4)
Benthics
 89899#IND/1=SUBSAMPLE,2=SQFT,3=SQMTR,4=TOTAL KICKNET
 89928BEDROCK STREAMBED AT COLLECTION POINT (%)
 89950BENTHIC SAMPLER (1=SURB,2=EKM,3=KICK,4=PET,5=H-D
 92491CHIRONOMIDAE
 89923GRAVEL BOTTOM AT COLLECTION POINT (%)
 92376HELICOPSYCHE
 89904KICKNET EFFORT,MINUTES KICKED (MIN.)
 89922OVERHANGING BRUSH AT COLLECTION POINT (%)
 91883PERLESTA
 89924SAND BOTTOM AT COLLECTION POINT (%)
 89927SNAGS AND BRUSH AT COLLECTION POINT (%)
 89925SOFT BOTTOM AT COLLECTION POINT (%)
 92253STENELMIS
 91594TRICORYTHODES
 89921UNDERCUT BANK AT COLLECTION POINT (%)
Nekton
 98502CAMPOSTOMA ANOMALUM (#/SAMPLE)
 98511CARPIODES CARPIO (#/SAMPLE)
 98953CICHLASOMA CYANOGUTTATUM (#/SAMPLE)
 98474CYPRINELLA LUTRENSIS (# SAMPLE)NOTROPIS LUTRENSI
 98487CYPRINELLA VENUSTUS (#/SAMPLE) NOTROPIS VENUSTUS
 98000DIVERSITY--NEKTON
 98430DOROSOMA CEPEDIANUM (#/SAMPLE)
 99085ETHEOSTOMA SPECTABILE (#/SAMPLE)
 98713GAMBUSIA AFFINIS (#/SAMPLE)
 98341LEPISOSTEUS OSSEUS (#/SAMPLE)
 99097LEPOMIS MACROCHIRUS (#/SAMPLE)
 99099LEPOMIS MEGALOTIS (#/SAMPLE)
 99100LEPOMIS MICROLOPHUS (#/SAMPLE)
 98471LYTHRURUS FUMEUS (#/SAMPLE) NOTROPIS FUMEUS
 98486LYTHRURUS UMBRATILIS (#/SAMPLE)NOTROPIS UMBRATIL
 89946MESH SIZE, ANY NET OR SIEVE, AVERAGE BAR (CM)
 99090MICROPTERUS SALMOIDES (#/SAMPLE)
 89941NET LENGTH (METERS)
 98485NOTROPIS TEXANUS (#/SAMPLE)
 98541PERCINA SCIERA (#/SAMPLE)
 98498PIMEPHALES VIGILAX (#/SAMPLE)
 89947SEINING EFFORT (# OF SEINE HAULS)
Habitat
 89961ECOREGION (TEXAS ECOREGION CODE)
 89962LAND DEVELOP IMPACT (1=UNIMP,2=LOW,3=MOD,4=HIGH)
Metals in Water
 00929SODIUM, TOTAL (MG/L AS NA)
Other
 99091MICROPTERUS DOLOMIEU (#/SAMPLE) M. DOLOMIEUI
 92662PYRALIDAE