ONION CREEK AT FM 150 0.61 KM DOWNSTREAM OF FLAT CREEK CONFLUENCE
Monitored By:  

USGS __City of Austin __Texas Commission on Environmental Quality __Texas Commission on Environmental Quality __
 List results (tabular is default)
 Include profile data (surface is default)

  Select All: Parameter CodeDescription
Field and Flow
 00405CARBON DIOXIDE (MG/L AS CO2)
 00080COLOR (PLATINUM-COBALT UNITS)
 72053DAYS SINCE PRECIPITATION EVENT (DAYS)
 82903DEPTH OF BOTTOM OF WATER BODY AT SAMPLE SITE MET
 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
 30209INSTANTANEOUS STREAM FLOW (CU. METERS/SEC.)
 00300OXYGEN, DISSOLVED (MG/L)
 00400PH (STANDARD UNITS)
 00403PH (STANDARD UNITS) LAB
 89978PRIMARY CONTACT RECREATION OBSERVED
 00003SAMPLING STATION LOCATION, VERTICAL FEET
 00095SPECIFIC CONDUCTANCE (UMHOS/CM @ 25C)
 00094SPECIFIC CONDUCTANCE,FIELD (UMHOS/CM @ 25C)
 00065STAGE, STREAM (FEET)
 74069STREAM FLOW ESTIMATE (CFS)
 00020TEMPERATURE, AIR (DEGREES CENTIGRADE)
 00010TEMPERATURE, WATER (DEGREES CENTIGRADE)
 00078TRANSPARENCY, SECCHI DISC (METERS)
 82078TURBIDITY,FIELD NEPHELOMETRIC TURBIDITY UNITS, N
Bacteria
 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)
 39086ALKALNITY,WATER,DISS,INCR TIT,FIELD,ASCACO3,MG/L
 00310BIOCHEMICAL OXYGEN DEMAND (MG/L, 5 DAY - 20DEG C
 00681CARBON, DISSOLVED ORGANIC, DNPC (DOC), MG/L
 00680CARBON, TOTAL ORGANIC, NPOC (TOC), MG/L
 00340CHEMICAL OXYGEN DEMAND, .25N K2CR2O7 (MG/L)
 00940CHLORIDE (MG/L AS CL)
 32211CHLOROPHYLL-A UG/L SPECTROPHOTOMETRIC ACID. METH
 70953CHLOROPHYLL-A, PHYTOPLANKTON UG/L, CHROMO-FLOURO
 70954CHLOROPHYLL-B, PHYTOPLANKTON UG/L, CHROMO-FLOURO
 00951FLUORIDE, TOTAL (MG/L AS F)
 00900HARDNESS, TOTAL (MG/L AS CACO3)
 00620NITRATE NITROGEN, TOTAL (MG/L AS N)
 00615NITRITE NITROGEN, TOTAL (MG/L AS N)
 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)
 00605NITROGEN, ORGANIC, TOTAL (MG/L AS N)
 00600NITROGEN, 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
 32213PHEOPHYTIN-A UG/L FLUOROMETRIC METHOD
 32218PHEOPHYTIN-A UG/L SPECTROPHOTOMETRIC ACID. METH.
 00660PHOSPHATE, ORTHO (MG/L AS PO4)
 00666PHOSPHORUS, DISSOLVED (MG/L AS P)
 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)
 00955SILICA, DISSOLVED (MG/L AS SIO2)
 00931SODIUM ADSORPTION RATIO
 70301SOLIDS, DISSOLVED-SUM OF CONSTITUENTS (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
 89929NUMBER OF STREAM COVER TYPES
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
 89869POOL LENGTH, METERS
 84161STREAM ORDER
 72052STREAMBED SLOPE (FT/FT)
 89843TOTAL NUMBER OF RIFFLES
 89839TOTAL NUMBER OF STREAM BENDS
Metals in Water
 01000ARSENIC, DISSOLVED (UG/L AS AS)
 01025CADMIUM, DISSOLVED (UG/L AS CD)
 01027CADMIUM, TOTAL (UG/L AS CD)
 00915CALCIUM, DISSOLVED (MG/L AS CA)
 01030CHROMIUM, DISSOLVED (UG/L AS CR)
 01040COPPER, DISSOLVED (UG/L AS CU)
 01042COPPER, TOTAL (UG/L AS CU)
 01049LEAD, DISSOLVED (UG/L AS PB)
 01051LEAD, TOTAL (UG/L AS PB)
 00925MAGNESIUM, DISSOLVED (MG/L AS MG)
 01065NICKEL, DISSOLVED (UG/L AS NI)
 00935POTASSIUM, DISSOLVED (MG/L AS K)
 00930SODIUM, DISSOLVED (MG/L AS NA)
 00929SODIUM, TOTAL (MG/L AS NA)
 01080STRONTIUM, DISSOLVED, UG/L AS SR
 01090ZINC, DISSOLVED (UG/L AS ZN)
 01092ZINC, TOTAL (UG/L AS ZN)
Organics in Water
 345061,1,1-TRICHLOROETHANE, TOTW (UG/L)
 345161,1,2,2-TETRACHLOROETHANE, TOTW (UG/L)
 345111,1,2-TRICHLOROETHANE, TOTW (UG/L)
 344961,1-DICHLOROETHANE, TOTW (UG/L)
 345011,1-DICHLOROETHYLENE TOTWUG/L
 345511,2,4-TRICHLOROBENZENE TOTWUG/L
 776511,2-DIBROMOETHANE WHOLE WATER (UG/L)
 345361,2-DICHLOROBENZENE, TOTW (UG/L)
 345411,2-DICHLOROPROPANE, TOTW, (UG/L)
 345661,3-DICHLOROBENZENE, TOTW (UG/L)
 345711,4-DICHLOROBENZENE, TOTW (UG/L)
 81552ACETONE, WHOLE WATER SAMPLE (UG/L)
 34215ACRYLONITRILE, TOTW (UG/L)
 34030BENZENE IN WTR SMPLE GC-MS, HEXADECONE EXTR.UG/L
 32101BROMODICHLOROMETHANE,WHOLE WATER,UG/L
 32104BROMOFORM, WHOLE WATER, UG/L
 77041CARBON DISULFIDE WHOLE WATER SAMPLE (UG/L)
 32102CARBON TETRACHLORIDE,WHOLE WATER,UG/L
 34301CHLOROBENZENE TOTWUG/L
 34311CHLOROETHANE TOTWUG/L
 32106CHLOROFORM, WHOLE WATER, UG/L
 34704CIS-1,3-DICHLOROPROPENE TOTAL IN WATER UG/L
 32105DIBROMOCHLOROMETHANE, WHOLE WATER, UG/L
 34668DICHLORODIFLUOROMETHANE TOTW UG/L
 34371ETHYLBENZENE TOTWUG/L
 39782GAMMA-BHC (LINDANE) IN WHOLE WATER SAMPLE (UG/L)
 81595METHYL ETHYL KETONE WHL WATER SAMPLE (UG/L)
 34423METHYLENE CHLORIDE TOTWUG/L
 34696NAPHTHALENE TOTWUG/L
 77135O-XYLENE (UG/L)
 77128STYRENE WHOLE WATER (UG/L)
 34475TETRACHLOROETHYLENE TOTWUG/L
 34010TOLUENE IN WTR SMPLE GC-MS, HEXADECONE EXTR.UG/L
 34546TRANS-1,2-DICHLOROETHENE, TOTAL, IN WATER UG/L
 34699TRANS-1,3-DICHLOROPROPENETOTAL IN WATER UG/L
 39180TRICHLOROETHYLENE-WHOLE WATER SAMPLE-UG/L
 34488TRICHLOROFLUOROMETHANE TOTW UG/L
 39175VINYL CHLORIDE-WHOLE WATER SAMPLE-UG/L
 85795XYLENE, META & PARA, WATER, WHOLE (UG/L)
Other
 89870% POOL COVERAGE IN 500 METER REACH
 775621,1,1,2-TETRACHLOROETHANE, TOTAL, UG/L
 776521,1,2-TRICHLORO-1,2,2-TRIFLUOROET,TOT,WTR, UG/L
 771681,1-DICHLOROPROPENE, WHOLE, WATER UG/L
 776131,2,3-TRICHLOROBENZENE, TOTAL, UG/L
 772211,2,3-TRIMETHYLBENZENE, TOT, WATER, UG/L
 772221,2,4-TRIMETHYLBENZENE, TOTAL, UG/L
 321031,2-DICHLOROETHANE, WHOLE WATER (UG/L)
 772261,3,5-TRIMETHYLBENZENE, TOTAL, UG/L
 771731,3-DICHLOROPROPANE, TOT, WATER, UG/L
 772201-METHYL-2-ETHYLBENZENE, TOT, WATER, UG/L
 773561-METHYL-4-ISOPROPYLBENZENE, TOT, WATER, UG/L
 771702,2-DICHLOROPROPANE, TOTAL, UG/L
 826602,6-DIETHYLANILINE, WATER, DISSOLVED, UG/L
 771032-HEXANONE, TOTAL, UG/L
 781334-METHYL-2-PENTANONE, TOTAL, UG/L
 49260ACETOCHLOR, RECOVERABLE, WATER, FILTERED, UG/L
 46342ALACHLOR, WATER, DISSOLVED, UG/L
 39036ALKALINITY, FILTERED SAMPLE AS CACO3 MG/L
 78109ALLYCHLORIDE, TOTAL, WATER, UG/L
 34253ALPHA-BHC, WATER, DISSOLVED, UG/L
 39632ATRAZINE, WATER, DISSOLVED, UG/L
 82686AZINOPHOS-METHYL, WATER, DISSOLVED, UG/L
 82673BENFLURALIN, WATER, DISSOLVED, UG/L
 81555BROMOBENZENE, TOTAL, UG/L
 50002BROMOETHENE, TOTAL RECOVERABLE, WATER, UG/L
 50005BUTANE,2-METHOXY-2-METHYL,TOTAL RECV,WATER, UG/L
 04028BUTYLATE, WATER, DISSOLVED, UG/L
 82680CARBARYL, WATER, DISSOLVED, UG/L
 82674CARBOFURAN, WATER, DISSOLVED, UG/L
 77297CHLOROBROMOMETHANE, TOTAL, UG/L
 38933CHLOROPYRIFOS, WATER, DISSOLVED, UG/L
 77093CIS-1,2-DICHLOROETHYLENE WHOLE WATER (UG/L)
 82687CIS-PERMETHRIN, WATER, DISSOLVED, UG/L
 04041CYANAZINE, WATER, DISSOLVED, UG/L
 82682DACTHAL(DCPA), WATER, DISSOLVED, UG/L
 04040DEETHYLATRAZINE, WATER, DISSOLVED, UG/L
 13850DEPTH OF MEASUREMENT, METERS
 62169DESULFINYLFIPRONIL AMIDE, FILTERED, WTR, UG/L
 62170DESULFINYLFIPRONIL, FILTERED, WTR, UG/L
 39572DIAZINON, WATER, DISSOLVED, UG/L
 30217DIBROMOMETHANE, TOTAL, UG/L
 39381DIELDRIN, WATER, DISSOLVED, UG/L
 81576DIETHYL ETHER, TOTAL, WATER, UG/L
 81577DIISOPROPYL ETHER, TOTAL, WATER, 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
 34396HEXACHLOROETHANE TOTWUG/L
 77424IODOMETHANE, TOTAL, UG/L
 50000ISODURENE, TOTAL RECOVERABLE, WATER, UG/L
 77223ISOPROPYLBENZENE, TOTAL, UG/L
 91065LIMNOCYTHERE
 82666LINURON, WATER, DISSOLVED, UG/L
 39532MALATHION, WATER, DISSOLVED, UG/L
 81593METHACRYLONITRILE, TOTAL, WATER, UG/L
 49991METHYL ACRYLATE, TOT RECOV, WATER, UG/L
 34413METHYL BROMIDE, TOTW UG/L
 34418METHYL CHLORIDE TOTW UG/L
 81597METHYL METHACRYLATE, TOTAL, UG/L
 82667METHYL-PARATHION, WATER, DISSOLVED, UG/L
 39415METOLACHLOR, WATER, DISSOLVED, UG/L
 82630METRIBUZINE, WATER, DISSOLVED, UG/L
 82671MOLINATE, WATER, DISSOLVED, UG/L
 77224N-PROPYLBENZENE, TOTAL, 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
 49999PREHNITENE, TOTAL RECV, WATER, UG/L
 04037PROMETON, WATER, DISSOLVED, UG/L
 82676PRONAMIDE (KERB), FILTERED, WATER, UG/L
 04024PROPACHLOR, WATER, DISSOLVED, UG/L
 50004PROPANE, 2-ETHOXY-2-METHYL, TOTRECV, WATER, UG/L
 82679PROPANIL, WATER, DISSOLVED, UG/L
 82685PROPARGITE, WATER, DISSOLVED, UG/L
 77350SEC-BUTYLBENZENE, TOTAL, UG/L
 04035SIMAZINE, WATER, DISSOLVED, UG/L
 82670TEBUTHIURON, WATER, DISSOLVED, UG/L
 82665TERBACIL, WATER, DISSOLVED, UG/L
 82675TERBUFOS, WATER, DISSOLVED, UG/L
 77353TERT-BUTYLBENZENE, TOTAL, UG/L
 81607TETRAHYDROFURAN, TOTAL, UG/L
 82681THIOBENCARB, WATER, DISSOLVED, UG/L
 82678TRIALLATE, WATER, DISSOLVED, UG/L
 82661TRIFLURALIN (TREFLAN), FILTERED, WATER, UG/L