ONION CREEK AT TWIN CREEKS ROAD 200 METERS UPSTREAM OF BEAR CREEK CONFLUENCE
Monitored By:  

USGS __City of Austin __
 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)
 00094SPECIFIC CONDUCTANCE,FIELD (UMHOS/CM @ 25C)
 74069STREAM FLOW ESTIMATE (CFS)
 00010TEMPERATURE, WATER (DEGREES CENTIGRADE)
 82078TURBIDITY,FIELD NEPHELOMETRIC TURBIDITY UNITS, N
Bacteria
 31700E COLI,NA+MUG OR EA+MUG,24HRS, 35 DEGREE (#/100M
 31699E. COLI, COLILERT, IDEXX METHOD, MPN/100ML
 31704E.COLI, COLILERT, IDEXX, HOLDING TIME
 31616FECAL COLIFORM,MEMBR FILTER,M-FC BROTH, #/100ML
Conventional Chemistry
 00410ALKALINITY, TOTAL (MG/L AS CACO3)
 00335CHEMICAL OXYGEN DEMAND, .025N K2CR2O7 (MG/L)
 00940CHLORIDE (MG/L AS CL)
 00631NITRITE PLUS NITRATE, DISS 1 DET. (MG/L AS N)
 00630NITRITE PLUS NITRATE, TOTAL 1 DET. (MG/L AS N)
 00613NITRITE, DISSOLVED (MG/L AS N)
 00608NITROGEN, AMMONIA, DISSOLVED (MG/L AS N)
 00610NITROGEN, AMMONIA, TOTAL (MG/L AS N)
 00625NITROGEN, KJELDAHL, TOTAL (MG/L AS N)
 70507ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FILTER >15MIN
 00671ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FLDFILT<15MIN
 00666PHOSPHORUS, DISSOLVED (MG/L AS P)
 00665PHOSPHORUS, TOTAL, WET METHOD (MG/L AS P)
 00530RESIDUE, TOTAL NONFILTRABLE (MG/L)
 00535RESIDUE, VOLATILE NONFILTRABLE (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
 89899#IND/1=SUBSAMPLE,2=SQFT,3=SQMTR,4=TOTAL KICKNET
 92054AMBRYSUS
 92899ANCYLIDAE
 91683ARGIA
 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
 91647CAMELOBAETIDIUS (FORMERLY DACTYLOBAETIS)
 92292CHEUMATOPSYCHE
 92268CHIMARRA
 92491CHIRONOMIDAE
 93036CORBICULA
 92074CORYDALUS
 92453CULEX
 92481DASYHELEA
 89905DEBRIS/SHORELINE SAMPLING EFFORT, MINUTES PICKED
 89902DIP NET EFFORT,AREA SWEPT (SQ.METER)
 90010DOMINANT BENTHIC FUNC FEEDING GRP, % OF COMMUNIT
 91711DROMOGOMPHUS
 90077DUGESIA TIGRINA
 90008EPT INDEX
 91713ERPETOGOMPHUS
 93025EUPERA
 91651FALLCEON QUILLERI (FORMERLY BAETIS)
 91661FARRODES TEXANUS
 92900FERRISSIA
 92748FOSSARIA
 89923GRAVEL BOTTOM AT COLLECTION POINT (%)
 92885GYRAULUS
 92376HELICOPSYCHE
 92887HELISOMA
 91669HETAERINA
 92233HETERELMIS
 92235HEXACYLLOEPUS
 90007HILSENHOFF BIOTIC INDEX
 90913HIRUDINEA
 91241HYALELLA AZTECA
 91525HYDRACARINA
 92296HYDROPSYCHE
 92324HYDROPTILA
 91590ISONYCHIA
 89903KICKNET EFFORT,AREA KICKED (SQ.METER)
 89904KICKNET EFFORT,MINUTES KICKED (MIN.)
 91596LEPTOHYPES
 91597LEPTOHYPHES PACKERI
 92232MACRELMIS (FORMERLY ELSIANUS)
 92378MARILIA
 92243MICROCYLLOEPUS
 90196NEMATA (NEMATODA)
 92247NEOELMIS CAESA
 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 (%)
 90042PERCENT DOMINANT TAXON, BENTHOS
 90062PERCENT OF INDIVIDUALS AS CHIRONOMIDAE
 90054PERCENT OF TOTAL NUMBER AS ELMIDAE
 90069PERCENT OF TOTAL TRICHOPTERA AS HYDROPSYCHIDAE
 92686PETROPHILA
 92874PHYSELLA
 92281POLYCENTROPUS
 92211PSEPHENUS
 90050RATIO OF INTOLERANT TO TOLERANT TAXA, BENTHOS
 91923RHAGOVELIA
 91944RHEUMATOBATES
 89924SAND BOTTOM AT COLLECTION POINT (%)
 92069SIALIS
 92596SIMULIUM
 92308SMICRIDEA
 89927SNAGS AND BRUSH AT COLLECTION POINT (%)
 89925SOFT BOTTOM AT COLLECTION POINT (%)
 93032SPHAERIUM
 92253STENELMIS
 89901SURBER SAMPLER EFFORT,AREA SAMPLED (SQ. METER)
 92622TABANUS
 90984TANYPODINAE
 91562THRAULODES
 90055TOTAL TAXA RICHNESS, BENTHOS
 91594TRICORYTHODES
 92180TROPISTERNUS
 90072TURBELLARIA
 89921UNDERCUT BANK AT COLLECTION POINT (%)
Nekton
 89946MESH SIZE, ANY NET OR SIEVE, AVERAGE BAR (CM)
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
 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
 84161STREAM ORDER
 72052STREAMBED SLOPE (FT/FT)
 89843TOTAL NUMBER OF RIFFLES
 89839TOTAL NUMBER OF STREAM BENDS
Organics in Water
 39782GAMMA-BHC (LINDANE) IN WHOLE WATER SAMPLE (UG/L)
Other
 826602,6-DIETHYLANILINE, WATER, DISSOLVED, UG/L
 49260ACETOCHLOR, RECOVERABLE, WATER, FILTERED, UG/L
 46342ALACHLOR, WATER, DISSOLVED, UG/L
 34253ALPHA-BHC, WATER, DISSOLVED, UG/L
 39632ATRAZINE, WATER, DISSOLVED, UG/L
 82686AZINOPHOS-METHYL, WATER, DISSOLVED, UG/L
 82673BENFLURALIN, WATER, DISSOLVED, UG/L
 04028BUTYLATE, WATER, DISSOLVED, UG/L
 82680CARBARYL, WATER, DISSOLVED, UG/L
 82674CARBOFURAN, WATER, DISSOLVED, UG/L
 38933CHLOROPYRIFOS, WATER, DISSOLVED, UG/L
 92791CINCINNATIA CINCINNATIENSIS
 82687CIS-PERMETHRIN, WATER, DISSOLVED, UG/L
 04041CYANAZINE, WATER, DISSOLVED, UG/L
 82682DACTHAL(DCPA), WATER, DISSOLVED, UG/L
 04040DEETHYLATRAZINE, WATER, DISSOLVED, UG/L
 62169DESULFINYLFIPRONIL AMIDE, FILTERED, WTR, UG/L
 62170DESULFINYLFIPRONIL, FILTERED, WTR, UG/L
 39572DIAZINON, WATER, DISSOLVED, UG/L
 39381DIELDRIN, WATER, DISSOLVED, UG/L
 82677DISULFOTON, WATER, DISSOLVED, UG/L
 82668EPTC, WATER, DISSOLVED, UG/L
 82663ETHALFURALIN, WATER, DISSOLVED, UG/L
 82672ETHOPROPHOS, WATER, DISSOLVED, UG/L
 62167FIPRONIL SULFIDE, FILTERED, WATER, UG/L
 62168FIPRONIL SULFONE, FILTERED, WATER, UG/L
 62166FIPRONIL, FILTERED, WATER, UG/L
 04095FONFOS, WATER, DISSOLVED, UG/L
 82666LINURON, WATER, DISSOLVED, UG/L
 39532MALATHION, WATER, DISSOLVED, UG/L
 82667METHYL-PARATHION, WATER, DISSOLVED, UG/L
 39415METOLACHLOR, WATER, DISSOLVED, UG/L
 82630METRIBUZINE, WATER, DISSOLVED, UG/L
 82671MOLINATE, WATER, DISSOLVED, UG/L
 82684NAPROPAMIDE, WATER, DISSOLVED, UG/L
 34653P,P'-DDE, WATER, DISSOLVED, UG/L
 39542PARATHION, WATER, DISSOLVED, UG/L
 82669PEBULATE, WATER, DISSOLVED, UG/L
 82683PENDIMETHALIN, WATER, DISSOLVED, UG/L
 82664PHORATE, WATER, DISSOLVED, UG/L
 04037PROMETON, WATER, DISSOLVED, UG/L
 82676PRONAMIDE (KERB), FILTERED, WATER, UG/L
 04024PROPACHLOR, WATER, DISSOLVED, UG/L
 82679PROPANIL, WATER, DISSOLVED, UG/L
 82685PROPARGITE, WATER, DISSOLVED, UG/L
 04035SIMAZINE, WATER, DISSOLVED, UG/L
 82670TEBUTHIURON, WATER, DISSOLVED, UG/L
 82665TERBACIL, WATER, DISSOLVED, UG/L
 82675TERBUFOS, WATER, DISSOLVED, UG/L
 82681THIOBENCARB, WATER, DISSOLVED, UG/L
 82678TRIALLATE, WATER, DISSOLVED, UG/L
 82661TRIFLURALIN (TREFLAN), FILTERED, WATER, UG/L