LCRA Logo Water Quality Data

  • Site: 12511
  • O H IVIE RESERVOIR NEAR DAM
  • Date Parameter Code Agency Depth (m) Parameter Description Value
    Field and Flow
    2/26/2025 89966 UCRA 0.3 PRESENT WEATHER (1=CLEAR,2=PTCLDY,3=CLDY,4=RAIN 3.0
    2/26/2025 89965 UCRA 0.3 WIND INTENSITY (1=CALM,2=SLIGHT,3=MOD.,4=STRONG) 2.0
    2/26/2025 82078 UCRA 0.3 TURBIDITY,FIELD NEPHELOMETRIC TURBIDITY UNITS, N 2.3
    2/26/2025 72053 UCRA 0.3 DAYS SINCE PRECIPITATION EVENT (DAYS) 14.0
    2/26/2025 00400 UCRA 27 PH (STANDARD UNITS) 8.1
    2/26/2025 00301 UCRA 27 OXYGEN, DISSOLVED (PERCENT OF SATURATION) 82.9
    2/26/2025 00300 UCRA 27 OXYGEN, DISSOLVED (MG/L) 9.7
    2/26/2025 00094 UCRA 27 SPECIFIC CONDUCTANCE,FIELD (UMHOS/CM @ 25C) 1420.0
    2/26/2025 00078 UCRA 0.3 TRANSPARENCY, SECCHI DISC (METERS) 4.1
    2/26/2025 00054 UCRA 0.3 RESERVOIR STORAGE - ACRE FEET 217310.0
    2/26/2025 00010 UCRA 27 TEMPERATURE, WATER (DEGREES CENTIGRADE) 8.1
    2/24/2021 00062 UCRA 0.3 ELEVATION, RESERVOIR SURFACE WATER IN FEET 1538.2
    8/16/2017 89979 UCRA 0.3 EVIDENCE OF PRIMARY CONTACT RECREATION 1.0
    8/16/2017 89978 UCRA 0.3 PRIMARY CONTACT RECREATION OBSERVED 0.0
    7/20/2011 89926 CRMWD 0.3 MACROPHYTE BED AT COLLECTION POINT (%) < 1.0
    1/10/2002 82903 CRMWD 27.23 DEPTH OF BOTTOM OF WATER BODY AT SAMPLE SITE MET 27.2
    8/18/1998 00061 CRMWD 1 FLOW STREAM, INSTANTANEOUS (CUBIC FEET PER SEC) 0.0
    9/15/1993 00090 LCRA 26.82 OXIDATION REDUCTION POTENTIAL (MILLIVOLTS) -60.0
    8/30/1993 01351 TCEQ 0.3 FLOW:1=No Flow,2=Low,3=Normal,4=Flood,5=High,6=D 3.0
    Bacteria
    2/26/2025 31704 UCRA 0.3 E.COLI, COLILERT, IDEXX, HOLDING TIME 26.3
    2/26/2025 31699 UCRA 0.3 E. COLI, COLILERT, IDEXX METHOD, MPN/100ML < 1.0
    3/4/2003 31616 TCEQ 0.3 FECAL COLIFORM,MEMBR FILTER,M-FC BROTH, #/100ML < 1.0
    Conventional Chemistry
    2/26/2025 70953 UCRA 0.3 CHLOROPHYLL-A, PHYTOPLANKTON UG/L, CHROMO-FLOURO < 2.0
    2/26/2025 70294 UCRA 27 RESIDUE, TOT DISS,UNSPEC CALC BASED ON COND (MG/ 926.0
    2/26/2025 32213 UCRA 0.3 PHEOPHYTIN-A UG/L FLUOROMETRIC METHOD < 2.0
    2/26/2025 00945 UCRA 0.3 SULFATE (MG/L AS SO4) 203.0
    2/26/2025 00940 UCRA 0.3 CHLORIDE (MG/L AS CL) 244.0
    2/26/2025 00665 UCRA 0.3 PHOSPHORUS, TOTAL, WET METHOD (MG/L AS P) 0.0
    2/26/2025 00630 UCRA 0.3 NITRITE PLUS NITRATE, TOTAL 1 DET. (MG/L AS N) 0.1
    8/14/2024 00625 UCRA 0.3 NITROGEN, KJELDAHL, TOTAL (MG/L AS N) 2.3
    5/29/2013 00610 UCRA 0.3 NITROGEN, AMMONIA, TOTAL (MG/L AS N) < 0.0
    7/20/2011 00530 CRMWD 0.3 RESIDUE, TOTAL NONFILTRABLE (MG/L) 4.0
    1/19/2011 00671 CRMWD 0.3 ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FLDFILT<15MIN < 0.0
    8/10/2010 70300 TCEQ 0.3 RESIDUE,TOTAL FILTRABLE (DRIED AT 180C) (MG/L) 1190.0
    8/10/2010 00951 TCEQ 0.3 FLUORIDE, TOTAL (MG/L AS F) 0.4
    8/10/2010 00680 TCEQ 0.3 CARBON, TOTAL ORGANIC, NPOC (TOC), MG/L 6.0
    8/10/2010 00535 TCEQ 0.3 RESIDUE, VOLATILE NONFILTRABLE (MG/L) < 4.0
    8/10/2010 00410 TCEQ 0.3 ALKALINITY, TOTAL (MG/L AS CACO3) 103.0
    2/2/2010 00593 TCEQ 0.3 NO2 PLUS NO3-N, TOTAL, WHATMAN GF/F FILT (MG/L) 0.1
    7/21/2009 32218 CRMWD 0.3 PHEOPHYTIN-A UG/L SPECTROPHOTOMETRIC ACID. METH. < 2.0
    7/21/2009 32211 CRMWD 0.3 CHLOROPHYLL-A UG/L SPECTROPHOTOMETRIC ACID. METH 8.2
    2/15/2006 70507 TCEQ 0.3 ORTHPHOSPHATE PHOSPHORUS,DISS,MG/L,FILTER >15MIN < 0.0
    7/13/2004 00620 TCEQ 0.3 NITRATE NITROGEN, TOTAL (MG/L AS N) < 0.1
    7/13/2004 00615 TCEQ 0.3 NITRITE NITROGEN, TOTAL (MG/L AS N) < 0.1
    8/16/2001 47004 CRMWD 27.8 SOLIDS,TOTAL, DISS, ELECTRICAL-CONDUCTIVITY,MG/L 1250.0
    8/8/2000 00668 CRMWD 0.91 PHOSPHORUS,TOTAL, BOTTOM DEPOSIT (MG/KG DRY WT) 440.0
    8/8/2000 00627 CRMWD 0.91 NITROGEN KJELDAHL TOTAL BOTTOM DEP DRY WT(MG/KG) 714.0
    8/8/2000 00616 CRMWD 0.91 NITRITE NITROGEN, BOTTOM DEPOS. (MG/KG-N DRY WT) < 0.1
    3/10/1998 32210 CRMWD 1 CHLOROPHYLL-A UG/L TRICHROMATIC UNCORRECTED 0.0
    11/20/1997 82394 TCEQ 0.3 HARDNESS, TOTAL, CALCULATED (MG/L AS CaCO3) 388.0
    11/20/1997 46570 TCEQ 0.3 HARDNESS, DISSOLVED, CALCULATED (MG/L AS CaCO3) 384.0
    Habitat
    1/9/2003 89862 CRMWD 24.32 AVERAGE STREAM DEPTH (METERS) 24.3
    Metals in Water
    3/4/2003 00929 TCEQ 0.3 SODIUM, TOTAL (MG/L AS NA) 2.0
    6/6/2002 01106 TCEQ 0.3 ALUMINUM, DISSOLVED (UG/L AS AL) < 25.0
    6/6/2002 01105 TCEQ 0.3 ALUMINUM, TOTAL (UG/L AS AL) 86.0
    6/6/2002 01092 TCEQ 0.3 ZINC, TOTAL (UG/L AS ZN) < 28.0
    6/6/2002 01090 TCEQ 0.3 ZINC, DISSOLVED (UG/L AS ZN) < 8.0
    6/6/2002 01077 TCEQ 0.3 SILVER, TOTAL (UG/L AS AG) < 0.3
    6/6/2002 01075 TCEQ 0.3 SILVER, DISSOLVED (UG/L AS AG) < 0.3
    6/6/2002 01067 TCEQ 0.3 NICKEL, TOTAL (UG/L AS NI) < 19.0
    6/6/2002 01065 TCEQ 0.3 NICKEL, DISSOLVED (UG/L AS NI) < 17.0
    6/6/2002 01051 TCEQ 0.3 LEAD, TOTAL (UG/L AS PB) < 1.1
    6/6/2002 01049 TCEQ 0.3 LEAD, DISSOLVED (UG/L AS PB) < 1.0
    6/6/2002 01042 TCEQ 0.3 COPPER, TOTAL (UG/L AS CU) < 7.0
    6/6/2002 01040 TCEQ 0.3 COPPER, DISSOLVED (UG/L AS CU) < 6.0
    6/6/2002 01034 TCEQ 0.3 CHROMIUM, TOTAL (UG/L AS CR) < 4.0
    6/6/2002 01030 TCEQ 0.3 CHROMIUM, DISSOLVED (UG/L AS CR) < 4.0
    6/6/2002 01027 TCEQ 0.3 CADMIUM, TOTAL (UG/L AS CD) < 8.0
    6/6/2002 01025 TCEQ 0.3 CADMIUM, DISSOLVED (UG/L AS CD) < 7.0
    6/6/2002 01002 TCEQ 0.3 ARSENIC, TOTAL (UG/L AS AS) 4.3
    6/6/2002 01000 TCEQ 0.3 ARSENIC, DISSOLVED (UG/L AS AS) 3.8
    6/6/2002 00927 TCEQ 0.3 MAGNESIUM, TOTAL (MG/L AS MG) 70.6
    6/6/2002 00925 TCEQ 0.3 MAGNESIUM, DISSOLVED (MG/L AS MG) 70.0
    6/6/2002 00916 TCEQ 0.3 CALCIUM, TOTAL (MG/L AS CA) 124.0
    6/6/2002 00915 TCEQ 0.3 CALCIUM, DISSOLVED (MG/L AS CA) 122.0
    7/24/2001 01147 TCEQ 0.3 SELENIUM, TOTAL (UG/L AS SE) < 11.0
    7/24/2001 01145 TCEQ 0.3 SELENIUM, DISSOLVED (UG/L AS SE) < 4.0
    8/8/2000 71890 CRMWD 0.91 MERCURY DISSOLVED, IN WATER (UG/L) < 0.2
    8/8/2000 01056 CRMWD 0.91 MANGANESE, DISSOLVED (UG/L AS MN) < 1.0
    1/24/2000 71900 CRMWD 0.3 MERCURY, TOTAL (UG/L AS HG) < 0.2
    Metals in Sediment
    6/6/2002 01108 TCEQ 25.5 ALUMINUM, BOTTOM DEPOSITS (MG/KG AS AL DRY WT 48700.0
    6/6/2002 01093 TCEQ 25.5 ZINC, BOTTOM DEPOSITS (MG/KG AS ZN DRY WT) 76.1
    6/6/2002 01078 TCEQ 25.5 SILVER, BOTTOM DEPOSITS (MG/KG AS AG DRY WT) < 1.4
    6/6/2002 01068 TCEQ 25.5 NICKEL, TOTAL, BOTTOM DEPOSITS (MG/KG,DRY WT) 22.7
    6/6/2002 01053 TCEQ 25.5 MANGANESE, BOTTOM DEPOSITS (MG/KG AS MN DRY WG 1620.0
    6/6/2002 01052 TCEQ 25.5 LEAD, BOTTOM DEPOSITS (MG/KG AS PB DRY WT) 19.7
    6/6/2002 01043 TCEQ 25.5 COPPER, BOTTOM DEPOSITS (MG/KG AS CU DRY WT) 20.6
    6/6/2002 01029 TCEQ 25.5 CHROMIUM,TOTAL, BOTTOM DEPOSITS (MG/KG,DRY WT 36.7
    6/6/2002 01028 TCEQ 25.5 CADMIUM,TOTAL, BOTTOM DEPOSITS (MG/KG,DRY WT) 0.4
    6/6/2002 01008 TCEQ 25.5 BARIUM, BOTTOM DEPOSITS (MG/KG AS BA DRY WT) 440.0
    6/6/2002 01003 TCEQ 25.5 ARSENIC, BOTTOM DEPOSITS (MG/KG AS AS DRY WT) 19.8
    11/28/2000 01148 TCEQ 26.8 SELENIUM, BOTTOM DEPOSITS (MG/KG AS SE DRY WT) < 2.5
    8/8/2000 71921 CRMWD 0.91 MERCURY,TOT. IN BOT. DEPOS. (MG/KG) AS HG DRY WG < 0.1
    Other
    6/6/2002 81373 TCEQ 25.5 SOLIDS IN SEDIMENT, PERCENT BY WEIGHT (DRY) 19.2
    11/28/2000 89991 TCEQ 26.8 SEDIMENT PRCTL.SIZE CLASS,SAND .0625-2MM %DRYWT 8.0
    11/28/2000 82009 TCEQ 26.8 SEDIMENT PRCTL.SIZE CLASS <.0039 CLAY %DRY WT 40.0
    11/28/2000 82008 TCEQ 26.8 SEDIMENT PRTL.SIZE CLASS.0039-.0625 SILT %DRY W 52.0
    11/28/2000 81951 TCEQ 26.8 TOTAL ORGANIC CARBON,NPOC(TOC), SED DRY WT,MG/KG 89400.0
    11/28/2000 80256 TCEQ 26.8 SEDIMENT PRTCL.SIZE CLASS >2.0MM GRAVEL %DRY WT 0.0
    11/28/2000 50088 TCEQ 26.8 ACID VOLATILE SULFIDE (AVS), (MMOL/KG) 271.0
    11/28/2000 50087 TCEQ 26.8 SIMULTANEOUSLY EXTRACTED METALS,SUM(SEM) (MMOL/K 0.5
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