PEDERNALES RIVER AT US 87 APPROX 3.0 MILES SOUTH OF FREDERICKSBURG
Monitored By:  

Lower Colorado River Authority __
 List results (tabular is default)
 Include profile data (surface is default)

  Select All: Parameter CodeDescription
Field and Flow
 72053DAYS SINCE PRECIPITATION EVENT (DAYS)
 89979EVIDENCE OF PRIMARY CONTACT RECREATION
 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)
 00301OXYGEN, DISSOLVED (PERCENT OF SATURATION)
 00400PH (STANDARD UNITS)
 89966PRESENT WEATHER (1=CLEAR,2=PTCLDY,3=CLDY,4=RAIN
 89978PRIMARY CONTACT RECREATION OBSERVED
 00094SPECIFIC CONDUCTANCE,FIELD (UMHOS/CM @ 25C)
 74069STREAM FLOW ESTIMATE (CFS)
 00010TEMPERATURE, WATER (DEGREES CENTIGRADE)
 00078TRANSPARENCY, SECCHI DISC (METERS)
 82078TURBIDITY,FIELD NEPHELOMETRIC TURBIDITY UNITS, N
 82079TURBIDITY,LAB NEPHELOMETRIC TURBIDITY UNITS, NTU
 89965WIND INTENSITY (1=CALM,2=SLIGHT,3=MOD.,4=STRONG)
Bacteria
 31699E. COLI, COLILERT, IDEXX METHOD, MPN/100ML
 31648E. COLI, MTEC, MF, #/100 ML
 31704E.COLI, COLILERT, IDEXX, HOLDING TIME
 31616FECAL COLIFORM,MEMBR FILTER,M-FC BROTH, #/100ML
Conventional Chemistry
 00410ALKALINITY, TOTAL (MG/L AS CACO3)
 00680CARBON, TOTAL ORGANIC, NPOC (TOC), MG/L
 00940CHLORIDE (MG/L AS CL)
 32211CHLOROPHYLL-A UG/L SPECTROPHOTOMETRIC ACID. METH
 70953CHLOROPHYLL-A, PHYTOPLANKTON UG/L, CHROMO-FLOURO
 00630NITRITE PLUS NITRATE, TOTAL 1 DET. (MG/L AS N)
 00610NITROGEN, AMMONIA, TOTAL (MG/L AS N)
 00625NITROGEN, KJELDAHL, TOTAL (MG/L AS N)
 00671ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FLDFILT<15MIN
 32213PHEOPHYTIN-A UG/L FLUOROMETRIC METHOD
 32218PHEOPHYTIN-A UG/L SPECTROPHOTOMETRIC ACID. METH.
 00665PHOSPHORUS, TOTAL, WET METHOD (MG/L AS P)
 70294RESIDUE, TOT DISS,UNSPEC CALC BASED ON COND (MG/
 00530RESIDUE, TOTAL NONFILTRABLE (MG/L)
 70300RESIDUE,TOTAL FILTRABLE (DRIED AT 180C) (MG/L)
 00945SULFATE (MG/L AS SO4)
24hr
 89858DISSOLVED OXYGEN, # OF MEASUREMENTS IN 24-HRS
 89857DISSOLVED OXYGEN, 24-HOUR AVG. (MG/L) MIN. 4 MEA
 89856DISSOLVED OXYGEN, 24-HOUR MAX. (MG/L) MIN. 4 MEA
 89855DISSOLVED OXYGEN, 24-HOUR MIN. (MG/L) MIN. 4 MEA
 00223pH, # OF MEASUREMENTS IN 24-HRS
 00215PH, S.U., 24HR MAXIMUM VALUE
 00216PH, S.U., 24HR, MINIMUM VALUE
 00222SPECIFIC CONDUCTANCE, # OF MEASUREMENTS IN 24-HR
 00212SPECIFIC CONDUCTANCE, UMHOS/CM, FIELD, 24HR AVG
 00213SPECIFIC CONDUCTANCE, UMHOS/CM, FIELD, 24HR MAX
 00214SPECIFIC CONDUCTANCE, UMHOS/CM, FIELD, 24HR MIN
 00211TEMPERATURE, WATER (DEGREES CENTIGRADE) 24HR MIN
 00209TEMPERATURE, WATER (DEGREES CENTIGRADE, 24HR AVG
 00221WATER TEMPERATURE, # OF MEASUREMENTS IN 24-HRS
 00210WATER TEMPERATURE, DEGREES CENTIGRADE, 24HR MAX
Benthics
 90081 
 89899#IND/1=SUBSAMPLE,2=SQFT,3=SQMTR,4=TOTAL KICKNET
 92054AMBRYSUS
 92763AMNICOLA
 92445ANOPHELES
 91683ARGIA
 91646BAETIS
 89928BEDROCK STREAMBED AT COLLECTION POINT (%)
 90025BENTHIC GATHERERS (% OF COMMUNITY)
 90036BENTHIC PREDATORS (% OF COMMUNITY)
 89950BENTHIC SAMPLER (1=SURB,2=EKM,3=KICK,4=PET,5=H-D
 92154BEROSUS
 92478BEZZIA
 91776BRECHMORHOGA
 91600CAENIS
 91650CALLIBAETIS
 91647CAMELOBAETIDIUS (FORMERLY DACTYLOBAETIS)
 92292CHEUMATOPSYCHE
 92268CHIMARRA
 92491CHIRONOMIDAE
 93036CORBICULA
 92074CORYDALUS
 92057CRYPHOCRICOS
 92747CRYPTOLABIS
 89905DEBRIS/SHORELINE SAMPLING EFFORT, MINUTES PICKED
 90010DOMINANT BENTHIC FUNC FEEDING GRP, % OF COMMUNIT
 91687ENALLAGMA
 90008EPT INDEX
 91713ERPETOGOMPHUS
 91792ERYTHEMIS
 91651FALLCEON QUILLERI (FORMERLY BAETIS)
 89923GRAVEL BOTTOM AT COLLECTION POINT (%)
 92885GYRAULUS
 92217HELICHUS
 92887HELISOMA
 91669HETAERINA
 92235HEXACYLLOEPUS
 90007HILSENHOFF BIOTIC INDEX
 91241HYALELLA AZTECA
 91525HYDRACARINA
 92165HYDROCHUS
 92296HYDROPSYCHE
 92324HYDROPTILA
 91590ISONYCHIA
 89903KICKNET EFFORT,AREA KICKED (SQ.METER)
 89904KICKNET EFFORT,MINUTES KICKED (MIN.)
 91596LEPTOHYPES
 92060LIMNOCORIS
 92223LUTROCHUS
 92232MACRELMIS (FORMERLY ELSIANUS)
 92243MICROCYLLOEPUS
 92246NEOELMIS
 89906NUMBER OF INDIV. IN BENTHIC RBA SUBSAMPLE (#IND)
 90052NUMBER OF NON-INSECT TAXA
 89929NUMBER OF STREAM COVER TYPES
 90382OLIGOCHAETA
 91056OSTRACODA
 89922OVERHANGING BRUSH AT COLLECTION POINT (%)
 92100PELTODYTES
 90042PERCENT DOMINANT TAXON, BENTHOS
 90062PERCENT OF INDIVIDUALS AS CHIRONOMIDAE
 90054PERCENT OF TOTAL NUMBER AS ELMIDAE
 90069PERCENT OF TOTAL TRICHOPTERA AS HYDROPSYCHIDAE
 91883PERLESTA
 92686PETROPHILA
 92874PHYSELLA
 91581PLAUDITUS
 92486PROBEZZIA
 92211PSEPHENUS
 90050RATIO OF INTOLERANT TO TOLERANT TAXA, BENTHOS
 89924SAND BOTTOM AT COLLECTION POINT (%)
 92596SIMULIUM
 92308SMICRIDEA
 89927SNAGS AND BRUSH AT COLLECTION POINT (%)
 89925SOFT BOTTOM AT COLLECTION POINT (%)
 92253STENELMIS
 92715STRATIOMYS
 92622TABANUS
 91562THRAULODES
 92440TIPULA
 90055TOTAL TAXA RICHNESS, BENTHOS
 91552TRAVERELLA
 91594TRICORYTHODES
 90072TURBELLARIA
 89921UNDERCUT BANK AT COLLECTION POINT (%)
Nekton
 98564AMEIURUS NATALIS (#/SAMPLE) ICTALUARUS NATALIS
 89976AREA SEINED (SQ METERS)
 98502CAMPOSTOMA ANOMALUM (#/SAMPLE)
 98511CARPIODES CARPIO (#/SAMPLE)
 89948COMBINED LENGTH OF SEINE HAULS (METERS)
 98474CYPRINELLA LUTRENSIS (# SAMPLE)NOTROPIS LUTRENSI
 98487CYPRINELLA VENUSTUS (#/SAMPLE) NOTROPIS VENUSTUS
 98437CYPRINUS CARPIO (#/SAMPLE)
 98430DOROSOMA CEPEDIANUM (#/SAMPLE)
 89944ELECTROFISH EFFORT, DURATION OF SHOCKING (SEC)
 89943ELECTROFISHING METHOD 1BOAT2BACKPACK3TOTEBARGE
 99081ETHEOSTOMA LEPIDUM (#/SAMPLE)
 99085ETHEOSTOMA SPECTABILE (#/SAMPLE)
 98713GAMBUSIA AFFINIS (#/SAMPLE)
 98561ICTALURUS PUNCTATUS (#/SAMPLE)
 98033INDIVIDUALS AS NON-NATIVE SPECIES (% OF COMMUNIT
 99093LEPOMIS AURITUS (#/SAMPLE)
 99094LEPOMIS CYANELLUS (#/SAMPLE)
 99095LEPOMIS GULOSUS (#/SAMPLE)
 99097LEPOMIS MACROCHIRUS (#/SAMPLE)
 99099LEPOMIS MEGALOTIS (#/SAMPLE)
 99100LEPOMIS MICROLOPHUS (#/SAMPLE)
 89946MESH SIZE, ANY NET OR SIEVE, AVERAGE BAR (CM)
 99090MICROPTERUS SALMOIDES (#/SAMPLE)
 99086MICROPTERUS TRECULI (#/SAMPLE)
 98513MOXOSTOMA CONGESTUM (#/SAMPLE)
 98123Nekton Texas Regional IBI Score
 89941NET LENGTH (METERS)
 98459NOTROPIS AMABILIS (#/SAMPLE)
 98488NOTROPIS VOLUCELLIS (#/SAMPLE)
 98069NUMBER OF INDIVIDUALS PER MINUTE ELECTROFISHING
 98062NUMBER OF INDIVIDUALS PER SEINE HAUL
 98003NUMBER OF SPECIES, FISH
 98024PERCENT OF INDIVIDUALS AS HYBRIDS
 98021PERCENT OF INDIVIDUALS AS INSECTIVORES, FISH
 98017PERCENT OF INDIVIDUALS AS OMNIVORES, FISH
 98022PERCENT OF INDIVIDUALS AS PISCIVORES, FISH
 98030PERCENT OF INDIVIDUALS WITH DISEASE OR ANOMALY
 98070PERCENT TOLERANT (EXCLUDING WESTERN MOSQUITOFISH
 99060PERCINA CARBONARIA (#/SAMPLE)
 98541PERCINA SCIERA (#/SAMPLE)
 98498PIMEPHALES VIGILAX (#/SAMPLE)
 98570PYLODICTIS OLIVARIS (#/SAMPLE)
 89931SEINE, MAXIMUM MESH SIZE, AVG BAR, NEKTON,INCH
 89930SEINE, MINIMUM MESH SIZE, AVERAGE BAR, NEKTON,IN
 89947SEINING EFFORT (# OF SEINE HAULS)
 89949SEINING EFFORT, DURATION (MINUTES)
 98052TOTAL NUMBER OF BENTHIC INVERTIVORE SPECIES
 98053TOTAL NUMBER OF BENTHIC SPECIES
 98040TOTAL NUMBER OF INDIVIDUALS ELECTROFISHING
 98023TOTAL NUMBER OF INDIVIDUALS IN SAMPLE, FISH
 98039TOTAL NUMBER OF INDIVIDUALS SEINING
 98010TOTAL NUMBER OF INTOLERANT SPECIES, FISH
 98032TOTAL NUMBER OF NATIVE CYPRINID SPECIES
 98008TOTAL NUMBER OF SUNFISH SPECIES
Habitat
 89867AESTHETICS (1=WILD 2=NAT. 3=COMM. 4=OFF.)
 89852AVERAGE PERCENT CULTIVATED FIELDS AS RIPARIAN VE
 89851AVERAGE PERCENT GRASS AS RIPARIAN VEGETATION
 89845AVERAGE PERCENT OF SUBSTRATE GRAVEL SIZE OR LARG
 89853AVERAGE PERCENT OTHER AS RIPARIAN VEGETATION
 89850AVERAGE PERCENT SHRUBS AS RIPARIAN VEGETATION
 89849AVERAGE PERCENT TREES AS RIPARIAN VEGETATION
 84159AVERAGE PERCENTAGE INSTREAM COVER
 89854AVERAGE PERCENTAGE OF TREE CANOPY COVERAGE
 89846AVERAGE STREAM BANK EROSION (%)
 89847AVERAGE STREAM BANK SLOPE (DEGREES)
 89862AVERAGE STREAM DEPTH (METERS)
 89861AVERAGE STREAM WIDTH (METERS)
 89866AVERAGE WIDTH OF NATURAL RIPARIAN VEGETATION (M)
 89844DOMINANT SUBSTRATE TYPE
 89859DRAINAGE AREA ABOVE MOST DOWNSTREAM TRANSECT (KM
 89961ECOREGION (TEXAS ECOREGION CODE)
 89848HABITAT FLOW STATUS, 1=NO FLOW, 2=LOW,3=MOD,4=HI
 89882HQI Aesthetics Score
 89873HQI Average Width of Riparian buffer, right side
 89879HQI Bank Statbiity Score
 89875HQI Bottom Substrate Score
 89878HQI Channel Flow Status
 89880HQI Channel Sinuosity Score
 89877HQI Dimensions of Largetst Pool Score
 89874HQI Instream Cover Score
 89876HQI Number of Riffles Score
 89881HQI Riparian Vegetation Score
 89883HQI Total Score
 89962LAND DEVELOP IMPACT (1=UNIMP,2=LOW,3=MOD,4=HIGH)
 89860LENGTH OF STREAM EVALUATED (KM)
 89865MAXIMUM POOL DEPTH (METERS)
 89864MAXIMUM POOL WIDTH (METERS)
 89832NUMBER OF LATERAL TRANSECTS MADE
 89841NUMBER OF MODERATELY DEFINED STREAM BENDS
 89842NUMBER OF POORLY DEFINED STREAM BENDS
 89840NUMBER OF WELL DEFINED STREAM BENDS
 89869POOL LENGTH, METERS
 89884Reach Length (m)
 89871Riparian Vegetation right side other percent
 84161STREAM ORDER
 72052STREAMBED SLOPE (FT/FT)
 89843TOTAL NUMBER OF RIFFLES
 89839TOTAL NUMBER OF STREAM BENDS
Other
 89870% POOL COVERAGE IN 500 METER REACH